diff --git a/lib/Artist.php b/lib/Artist.php
index e177fd2f..fd072c72 100644
--- a/lib/Artist.php
+++ b/lib/Artist.php
@@ -87,9 +87,7 @@ class Artist{
 	 * @throws Exceptions\InvalidArtistException
 	 */
 	public function Validate(): void{
-		/** @throws void */
-		$now = new DateTimeImmutable();
-		$thisYear = intval($now->format('Y'));
+		$thisYear = intval(NOW->format('Y'));
 
 		$error = new Exceptions\InvalidArtistException();
 
diff --git a/lib/Artwork.php b/lib/Artwork.php
index dc159742..cc563983 100644
--- a/lib/Artwork.php
+++ b/lib/Artwork.php
@@ -330,9 +330,7 @@ class Artwork{
 	 * @throws Exceptions\InvalidArtworkException
 	 */
 	protected function Validate(?string $imagePath = null, bool $isImageRequired = true): void{
-		/** @throws void */
-		$now = new DateTimeImmutable();
-		$thisYear = intval($now->format('Y'));
+		$thisYear = intval(NOW->format('Y'));
 		$error = new Exceptions\InvalidArtworkException();
 
 		if($this->Artist === null){
@@ -664,8 +662,7 @@ class Artwork{
 
 		$this->Validate($imagePath, true);
 
-		/** @throws void */
-		$this->Created = new DateTimeImmutable();
+		$this->Created = NOW;
 
 		$tags = [];
 		foreach($this->Tags as $artworkTag){
@@ -731,10 +728,8 @@ class Artwork{
 		if($imagePath !== null){
 			$this->MimeType = ImageMimeType::FromFile($imagePath);
 
-			// Manually set the updated timestamp, because if we only update the image and nothing else, the row's
-			// updated timestamp won't change automatically.
-			/** @throws void */
-			$this->Updated = new DateTimeImmutable();
+			// Manually set the updated timestamp, because if we only update the image and nothing else, the row's updated timestamp won't change automatically.
+			$this->Updated = NOW;
 			$this->_ImageUrl = null;
 			$this->_ThumbUrl = null;
 			$this->_Thumb2xUrl = null;
@@ -751,12 +746,12 @@ class Artwork{
 		$newDeathYear = $this->Artist->DeathYear;
 		$this->Artist = Artist::GetOrCreate($this->Artist);
 
-		// Save the artist death year in case we changed it
+		// Save the artist death year in case we changed it.
 		if($newDeathYear != $this->Artist->DeathYear){
 			Db::Query('UPDATE Artists set DeathYear = ? where ArtistId = ?', [$newDeathYear , $this->Artist->ArtistId]);
 		}
 
-		// Save the artwork
+		// Save the artwork.
 		Db::Query('
 			UPDATE Artworks
 			set
@@ -787,9 +782,8 @@ class Artwork{
 				$this->ArtworkId]
 		);
 
-		// Delete artists who are no longer to attached to an artwork
-		// Don't delete from the ArtistAlternateNames table to prevent accidentally
-		// deleting those manually-added entries.
+		// Delete artists who are no longer to attached to an artwork.
+		// Don't delete from the ArtistAlternateNames table to prevent accidentally deleting those manually-added entries.
 		Db::Query('
 			DELETE
 			from Artists
@@ -797,7 +791,7 @@ class Artwork{
 				(select distinct ArtistId from Artworks)
 		');
 
-		// Update tags for this artwork
+		// Update tags for this artwork.
 		Db::Query('
 			DELETE from ArtworkTags
 			where
diff --git a/lib/AtomFeed.php b/lib/AtomFeed.php
index 5e338081..1762f44f 100644
--- a/lib/AtomFeed.php
+++ b/lib/AtomFeed.php
@@ -39,8 +39,7 @@ class AtomFeed extends Feed{
 		// Did we actually update the feed? If so, write to file and update the index
 		if($this->HasChanged($this->Path)){
 			// Files don't match, save the file
-			/** @throws void */
-			$this->Updated = new DateTimeImmutable();
+			$this->Updated = NOW;
 			$this->Save();
 			return true;
 		}
diff --git a/lib/Constants.php b/lib/Constants.php
index 1ee8a286..494de623 100644
--- a/lib/Constants.php
+++ b/lib/Constants.php
@@ -1,15 +1,14 @@
 <?
-// Auto-included by Composer in composer.json to satisfy PHPStan
+// Auto-included by Composer in composer.json to satisfy PHPStan.
 use Safe\DateTimeImmutable;
 use function Safe\define;
 
-$now = new DateTimeImmutable();
-$nowPd = new DateTimeImmutable('now', new DateTimeZone('America/Juneau')); // Latest continental US time zone
+const NOW = new DateTimeImmutable();
 
 const SITE_STATUS_LIVE = 		'live';
 const SITE_STATUS_DEV =			'dev';
 
-define('SITE_STATUS', get_cfg_var('app.site_status') ?: SITE_STATUS_DEV); // Set in the PHP INI configuration for both CLI and FPM. Have to use define() and not const so we can use a function.
+define('SITE_STATUS', get_cfg_var('app.site_status') ?: SITE_STATUS_DEV); // Set in the PHP INI configuration for both CLI and FPM. Have to use `define()` and not `const` so we can use a function.
 
 // No trailing slash on any of the below constants.
 if(SITE_STATUS == SITE_STATUS_LIVE){
@@ -44,7 +43,7 @@ const ARTWORK_IMAGE_MINIMUM_HEIGHT = 300;
 const CAPTCHA_IMAGE_HEIGHT = 72;
 const CAPTCHA_IMAGE_WIDTH = 230;
 
-// These are defined for convenience, so that getting HTTP input isn't so wordy
+// These are defined for convenience, so that getting HTTP input isn't so wordy.
 const GET = Enums\HttpVariableSource::Get;
 const POST = Enums\HttpVariableSource::Post;
 const SESSION = Enums\HttpVariableSource::Session;
@@ -72,18 +71,18 @@ const ZOHO_WEBHOOK_LOG_FILE_PATH =	'/var/log/local/webhooks-zoho.log'; // Must b
 const DONATIONS_LOG_FILE_PATH =		'/var/log/local/donations.log'; // Must be writable by `www-data` Unix user.
 const ARTWORK_UPLOADS_LOG_FILE_PATH =	'/var/log/local/artwork-uploads.log'; // Must be writable by `www-data` Unix user.
 
-define('PD_YEAR', intval($nowPd->format('Y')) - 96);
+define('PD_YEAR', intval((new DateTimeImmutable('now', new DateTimeZone('America/Juneau')))->format('Y')) - 96); // Latest continental US time zone.
 define('PD_STRING', 'January 1, ' . (PD_YEAR + 1));
 
-define('DONATION_HOLIDAY_ALERT_ON', $now > new DateTimeImmutable('November 15, ' . $now->format('Y')) || $now < new DateTimeImmutable('January 7, ' . $now->add(new DateInterval('P1Y'))->format('Y')));
+define('DONATION_HOLIDAY_ALERT_ON', NOW > new DateTimeImmutable('November 15, ' . NOW->format('Y')) || NOW < new DateTimeImmutable('January 7, ' . NOW->add(new DateInterval('P1Y'))->format('Y')));
 define('DONATION_ALERT_ON', DONATION_HOLIDAY_ALERT_ON || rand(1, 4) == 2);
 
 // Controls the progress bar donation dialog
 const DONATION_DRIVE_ON = true;
-const DONATION_DRIVE_START = 'May 20, 2024 00:00:00 America/New_York';
-const DONATION_DRIVE_END = 'June 3, 2024 23:59:00 America/New_York';
+const DONATION_DRIVE_START = new DateTimeImmutable('May 20, 2024 00:00:00 America/New_York');
+const DONATION_DRIVE_END = new DateTimeImmutable('June 3, 2024 23:59:00 America/New_York');
 
 // Controls the countdown donation dialog
 const DONATION_DRIVE_COUNTER_ON = false;
-const DONATION_DRIVE_COUNTER_START = 'May 2, 2022 00:00:00 America/New_York';
-const DONATION_DRIVE_COUNTER_END = 'May 8, 2022 23:59:00 America/New_York';
+const DONATION_DRIVE_COUNTER_START = new DateTimeImmutable('May 2, 2022 00:00:00 America/New_York');
+const DONATION_DRIVE_COUNTER_END = new DateTimeImmutable('May 8, 2022 23:59:00 America/New_York');
diff --git a/lib/Library.php b/lib/Library.php
index 0c826ad5..281ffb3f 100644
--- a/lib/Library.php
+++ b/lib/Library.php
@@ -446,9 +446,6 @@ class Library{
 	private static function FillBulkDownloadObject(string $dir, string $downloadType, string $urlRoot): stdClass{
 		$obj = new stdClass();
 
-		/** @throws void */
-		$now = new DateTimeImmutable();
-
 		// The count of ebooks in each file is stored as a filesystem attribute
 		$obj->EbookCount = exec('attr -g se-ebook-count ' . escapeshellarg($dir)) ?: null;
 		if($obj->EbookCount == null){
@@ -499,7 +496,7 @@ class Library{
 		$obj->UpdatedString = $obj->Updated->format('M j');
 		// Add a period to the abbreviated month, but not if it's May (the only 3-letter month)
 		$obj->UpdatedString = preg_replace('/^(.+?)(?<!May) /', '\1. ', $obj->UpdatedString);
-		if($obj->Updated->format('Y') != $now->format('Y')){
+		if($obj->Updated->format('Y') != NOW->format('Y')){
 			$obj->UpdatedString = $obj->Updated->format('M j, Y');
 		}
 
diff --git a/lib/Log.php b/lib/Log.php
index 201dcda4..4c805597 100644
--- a/lib/Log.php
+++ b/lib/Log.php
@@ -33,10 +33,7 @@ class Log{
 				return;
 			}
 
-			/** @throws void */
-			$now = new DateTimeImmutable();
-
-			fwrite($fp, $now->format('Y-m-d H:i:s') . "\t" . $this->RequestId . "\t" . $text . "\n");
+			fwrite($fp, NOW->format('Y-m-d H:i:s') . "\t" . $this->RequestId . "\t" . $text . "\n");
 			fclose($fp);
 		}
 	}
diff --git a/lib/NewsletterSubscription.php b/lib/NewsletterSubscription.php
index 534d59a3..fe2dd10c 100644
--- a/lib/NewsletterSubscription.php
+++ b/lib/NewsletterSubscription.php
@@ -57,8 +57,7 @@ class NewsletterSubscription{
 
 		$this->UserId = $this->User->UserId;
 
-		/** @throws void */
-		$this->Created = new DateTimeImmutable();
+		$this->Created = NOW;
 
 		try{
 			Db::Query('
diff --git a/lib/OpdsFeed.php b/lib/OpdsFeed.php
index 7a22cafe..169ca83c 100644
--- a/lib/OpdsFeed.php
+++ b/lib/OpdsFeed.php
@@ -50,8 +50,7 @@ class OpdsFeed extends AtomFeed{
 		if($this->HasChanged($this->Path)){
 			// Files don't match, save the file and update the parent navigation feed with the last updated timestamp
 
-			/** @throws void */
-			$this->Updated = new DateTimeImmutable();
+			$this->Updated = NOW;
 
 			if($this->Parent !== null){
 				$this->Parent->SaveUpdated($this->Id, $this->Updated);
diff --git a/lib/Patron.php b/lib/Patron.php
index 35e6308b..381224b1 100644
--- a/lib/Patron.php
+++ b/lib/Patron.php
@@ -21,8 +21,7 @@ class Patron{
 	// *******
 
 	public function Create(): void{
-		/** @throws void */
-		$this->Created = new DateTimeImmutable();
+		$this->Created = NOW;
 		Db::Query('
 			INSERT into Patrons (Created, UserId, IsAnonymous, AlternateName, IsSubscribedToEmails)
 			values(?,
diff --git a/lib/Poll.php b/lib/Poll.php
index 5b0688f6..061aff5d 100644
--- a/lib/Poll.php
+++ b/lib/Poll.php
@@ -88,8 +88,7 @@ class Poll{
 
 	public function IsActive(): bool{
 		/** @throws void */
-		$now = new DateTimeImmutable();
-		if( ($this->Start !== null && $this->Start > $now) || ($this->End !== null && $this->End < $now)){
+		if( ($this->Start !== null && $this->Start > NOW) || ($this->End !== null && $this->End < NOW)){
 			return false;
 		}
 
diff --git a/lib/RssFeed.php b/lib/RssFeed.php
index fa4179d7..716b26c0 100644
--- a/lib/RssFeed.php
+++ b/lib/RssFeed.php
@@ -24,8 +24,7 @@ class RssFeed extends Feed{
 
 	protected function GetXmlString(): string{
 		if($this->XmlString === null){
-			/** @throws void */
-			$timestamp = (new DateTimeImmutable())->format('r');
+			$timestamp = NOW->format('r');
 			$feed = Template::RssFeed(['url' => $this->Url, 'description' => $this->Description, 'title' => $this->Title, 'entries' => $this->Entries, 'updated' => $timestamp]);
 
 			$this->XmlString = $this->CleanXmlString($feed);
diff --git a/lib/Session.php b/lib/Session.php
index 4ad00afc..853115b1 100644
--- a/lib/Session.php
+++ b/lib/Session.php
@@ -60,8 +60,7 @@ class Session{
 				$uuid = Uuid::uuid4();
 				$this->SessionId = $uuid->toString();
 
-				/** @throws void */
-				$this->Created = new DateTimeImmutable();
+				$this->Created = NOW;
 				Db::Query('
 						INSERT into Sessions (UserId, SessionId, Created)
 						values (?,
diff --git a/lib/User.php b/lib/User.php
index 1ae71ad5..553806c6 100644
--- a/lib/User.php
+++ b/lib/User.php
@@ -85,8 +85,7 @@ class User{
 		$uuid = Uuid::uuid4();
 		$this->Uuid = $uuid->toString();
 
-		/** @throws void */
-		$this->Created = new DateTimeImmutable();
+		$this->Created = NOW;
 
 		$this->PasswordHash = null;
 		if($password !== null){
diff --git a/scripts/generate-feeds b/scripts/generate-feeds
index 69977a65..c7a583b0 100755
--- a/scripts/generate-feeds
+++ b/scripts/generate-feeds
@@ -114,15 +114,13 @@ usort($allEbooks, 'SortByUpdatedDesc');
 usort($newestEbooks, function($a, $b){ return $b->Created <=> $a->Created; });
 $newestEbooks = array_slice($newestEbooks, 0, $ebooksPerNewestEbooksFeed);
 
-$now = new DateTimeImmutable();
-
 // Create OPDS feeds.
 $opdsRootEntries = [
 	new OpdsNavigationEntry(
 		'Newest Standard Ebooks',
 		'The ' . number_format($ebooksPerNewestEbooksFeed) . ' latest Standard Ebooks, most-recently-released first.',
 		'/feeds/opds/new-releases',
-		$now,
+		NOW,
 		'http://opds-spec.org/sort/new',
 		'acquisition'
 		),
@@ -130,51 +128,51 @@ $opdsRootEntries = [
 		'Standard Ebooks by Subject',
 		'Browse Standard Ebooks by subject.',
 		'/feeds/opds/subjects',
-		$now,
+		NOW,
 		'subsection',
 		'navigation'),
 	new OpdsNavigationEntry(
 		'Standard Ebooks by Collection',
 		'Browse Standard Ebooks by collection.',
 		'/feeds/opds/collections',
-		$now,
+		NOW,
 		'subsection',
 		'navigation'),
 	new OpdsNavigationEntry(
 		'Standard Ebooks by Author',
 		'Browse Standard Ebooks by author.',
 		'/feeds/opds/authors',
-		$now,
+		NOW,
 		'subsection',
 		'navigation'),
 	new OpdsNavigationEntry(
 		'All Standard Ebooks',
 		'All Standard Ebooks, most-recently-updated first. This is a Complete Acquisition Feed as defined in OPDS 1.2 §2.5.',
 		'/feeds/opds/all',
-		$now,
+		NOW,
 		'http://opds-spec.org/crawlable',
 		'acquisition')
 ];
 
 $opdsRoot = new OpdsNavigationFeed('Standard Ebooks', 'The Standard Ebooks catalog.', '/feeds/opds', $webRoot . '/feeds/opds/index.xml', $opdsRootEntries, null);
-SaveFeed($opdsRoot, $force, null, null, $now);
+SaveFeed($opdsRoot, $force, null, null, NOW);
 
 // Create the Subjects feeds.
-CreateOpdsCollectionFeed('subject', '/feeds/opds/subjects', 'Standard Ebooks in the “%s” subject, most-recently-released first.', $subjects, $ebooksBySubject, $now, $webRoot, $opdsRoot, $force);
+CreateOpdsCollectionFeed('subject', '/feeds/opds/subjects', 'Standard Ebooks in the “%s” subject, most-recently-released first.', $subjects, $ebooksBySubject, NOW, $webRoot, $opdsRoot, $force);
 
 // Create the Collections feeds.
-CreateOpdsCollectionFeed('collection', '/feeds/opds/collections', 'Standard Ebooks in the “%s” collection, most-recently-released first.', $collections, $ebooksByCollection, $now, $webRoot, $opdsRoot, $force);
+CreateOpdsCollectionFeed('collection', '/feeds/opds/collections', 'Standard Ebooks in the “%s” collection, most-recently-released first.', $collections, $ebooksByCollection, NOW, $webRoot, $opdsRoot, $force);
 
 // Create the Author feeds.
-CreateOpdsCollectionFeed('author', '/feeds/opds/authors', 'Standard Ebooks by %s, most-recently-released first.', $authors, $ebooksByAuthor, $now, $webRoot, $opdsRoot, $force);
+CreateOpdsCollectionFeed('author', '/feeds/opds/authors', 'Standard Ebooks by %s, most-recently-released first.', $authors, $ebooksByAuthor, NOW, $webRoot, $opdsRoot, $force);
 
 // Create the All feed.
 $allFeed = new OpdsAcquisitionFeed('All Standard Ebooks', 'All Standard Ebooks, most-recently-updated first. This is a Complete Acquisition Feed as defined in OPDS 1.2 §2.5.', '/feeds/opds/all', $webRoot . '/feeds/opds/all.xml', $allEbooks, $opdsRoot, true);
-SaveFeed($allFeed, $force, null, null, $now);
+SaveFeed($allFeed, $force, null, null, NOW);
 
 // Create the Newest feed.
 $newestFeed = new OpdsAcquisitionFeed('Newest Standard Ebooks', 'The ' . number_format($ebooksPerNewestEbooksFeed) . ' latest Standard Ebooks, most-recently-released first.', '/feeds/opds/new-releases', $webRoot . '/feeds/opds/new-releases.xml', $newestEbooks, $opdsRoot);
-SaveFeed($newestFeed, $force, null, null, $now);
+SaveFeed($newestFeed, $force, null, null, NOW);
 
 
 
@@ -190,11 +188,11 @@ SaveFeed($newestRssFeed, $force, null, null);
 
 // Create the Atom All feed.
 $allAtomFeed = new AtomFeed('Standard Ebooks - All Ebooks', 'All Standard Ebooks, most-recently-released first.', '/feeds/atom/all',  $webRoot . '/feeds/atom/all.xml', $allEbooks);
-SaveFeed($allAtomFeed, $force, null, null, $now);
+SaveFeed($allAtomFeed, $force, null, null, NOW);
 
 // Create the Atom Newest feed.
 $newestAtomFeed = new AtomFeed('Standard Ebooks - Newest Ebooks', 'The ' . number_format($ebooksPerNewestEbooksFeed) . ' latest Standard Ebooks, most-recently-released first.', '/feeds/atom/new-releases', $webRoot . '/feeds/atom/new-releases.xml', $newestEbooks);
-SaveFeed($newestAtomFeed, $force, null, null, $now);
+SaveFeed($newestAtomFeed, $force, null, null, NOW);
 
 // Generate each individual subject feed.
 foreach($ebooksBySubject as $subject => $ebooks){
@@ -207,7 +205,7 @@ foreach($ebooksBySubject as $subject => $ebooks){
 	SaveFeed($subjectRssFeed, $force, $subjects[$subject]['name'], $subjects[$subject]['sortedname']);
 
 	$subjectAtomFeed = new AtomFeed($title, $subtitle, '/feeds/atom/subjects/' . Formatter::MakeUrlSafe($subject),  $webRoot . '/feeds/atom/subjects/' . Formatter::MakeUrlSafe($subject) . '.xml', $ebooks);
-	SaveFeed($subjectAtomFeed, $force, $subjects[$subject]['name'], $subjects[$subject]['sortedname'], $now);
+	SaveFeed($subjectAtomFeed, $force, $subjects[$subject]['name'], $subjects[$subject]['sortedname'], NOW);
 }
 
 // Generate each individual collection feed.
@@ -223,7 +221,7 @@ foreach($ebooksByCollection as $collection => $ebooks){
 	SaveFeed($collectionRssFeed, $force, $collections[$collection]['name'], $collections[$collection]['sortedname']);
 
 	$collectionAtomFeed = new AtomFeed($title, $subtitle, '/feeds/atom/collections/' . Formatter::MakeUrlSafe($collection),  $webRoot . '/feeds/atom/collections/' . Formatter::MakeUrlSafe($collection) . '.xml', $ebooks);
-	SaveFeed($collectionAtomFeed, $force, $collections[$collection]['name'], $collections[$collection]['sortedname'], $now);
+	SaveFeed($collectionAtomFeed, $force, $collections[$collection]['name'], $collections[$collection]['sortedname'], NOW);
 }
 
 // Generate each individual author feed.
@@ -237,7 +235,7 @@ foreach($ebooksByAuthor as $collection => $ebooks){
 	SaveFeed($collectionRssFeed, $force, $authors[$collection]['name'], $authors[$collection]['sortedname']);
 
 	$collectionAtomFeed = new AtomFeed($title, $subtitle, '/feeds/atom/authors/' . $authors[$collection]['id'],  $webRoot . '/feeds/atom/authors/' . $authors[$collection]['id'] . '.xml', $ebooks);
-	SaveFeed($collectionAtomFeed, $force, $authors[$collection]['name'], $authors[$collection]['sortedname'], $now);
+	SaveFeed($collectionAtomFeed, $force, $authors[$collection]['name'], $authors[$collection]['sortedname'], NOW);
 }
 
 // Set ownership and permissions.
diff --git a/scripts/ingest-fa-payments b/scripts/ingest-fa-payments
index c3bf5c9f..2452c9b2 100755
--- a/scripts/ingest-fa-payments
+++ b/scripts/ingest-fa-payments
@@ -46,8 +46,7 @@ $lastSeenTransactionId = null;
 $firstTransactionId = null;
 $transactionFilePath = '/tmp/last-fa-donation';
 $transactionIds = [];
-$now = new DateTimeImmutable();
-$today = $now->format('n/j/Y');
+$today = NOW->format('n/j/Y');
 $faItemsPerPage = 20; // How many items are on a full page of FA results?
 
 // General plan: Read /tmp/last-fa-donation to see what the last transaction ID was that we processed.
@@ -94,7 +93,7 @@ try{
 	}
 
 	if($lastSeenTransactionId === null){
-		$log->Write('No last transaction ID, checking everything from ' . $now->format('Y-m-d'));
+		$log->Write('No last transaction ID, checking everything from ' . NOW->format('Y-m-d'));
 	}
 	else{
 		$log->Write('Checking from last transaction ID ' . $lastSeenTransactionId);
diff --git a/scripts/update-patrons-circle b/scripts/update-patrons-circle
index 0cee2a24..55f619f0 100755
--- a/scripts/update-patrons-circle
+++ b/scripts/update-patrons-circle
@@ -11,7 +11,6 @@ use function Safe\shell_exec;
 // Get a list of payments that are within 1 year / 45 days of today, and deactivate Patrons Circle members who aren't in that list.
 // We give a 15 day grace period to Patrons Circle members because sometimes FA can be delayed in charging.
 
-$now = new DateTimeImmutable();
 $lastYear = new DateTimeImmutable('-1 year');
 
 $expiredPatrons = Db::Query('
@@ -29,7 +28,7 @@ $expiredPatrons = Db::Query('
 			(IsRecurring = false and Amount >= 100 and Created > ? - interval 1 year)
 		)
 	)
-', [$now, $now], Patron::class);
+', [NOW, NOW], Patron::class);
 
 if(sizeof($expiredPatrons) > 0){
 	$ebooksThisYear = 0;
@@ -54,7 +53,7 @@ if(sizeof($expiredPatrons) > 0){
 				UPDATE Patrons
 				set Ended = ?
 				where UserId = ?
-			', [$now, $patron->UserId]);
+			', [NOW, $patron->UserId]);
 
 		Db::Query('
 				UPDATE Benefits
diff --git a/templates/ArtworkForm.php b/templates/ArtworkForm.php
index d1a34f62..deb6a227 100644
--- a/templates/ArtworkForm.php
+++ b/templates/ArtworkForm.php
@@ -9,8 +9,6 @@ if($artwork === null){
 }
 
 $isEditForm = $isEditForm ?? false;
-
-$now = new DateTimeImmutable('now', new DateTimeZone('America/Juneau')); // Latest continental US time zone
 ?>
 <fieldset>
 	<legend>Artist details</legend>
diff --git a/templates/DonationAlert.php b/templates/DonationAlert.php
index e14cc840..069f2598 100644
--- a/templates/DonationAlert.php
+++ b/templates/DonationAlert.php
@@ -1,5 +1,4 @@
 <? if($GLOBALS['User'] === null){
-
 	// The Kindle browsers renders <aside> as an undismissable popup. Serve a <div> to Kindle instead. See https://github.com/standardebooks/web/issues/204
 	$element = 'aside';
 
@@ -7,10 +6,8 @@
 		$element = 'div';
 	}
 ?>
-
-<<?= $element ?> class="donation">
-	<p>We rely on your support to help us keep producing beautiful, free, and unrestricted editions of literature for the digital age.</p>
-	<p>Will you <a href="/donate">support our efforts with a donation</a>?</p>
-</<?= $element ?>>
-
+	<<?= $element ?> class="donation">
+		<p>We rely on your support to help us keep producing beautiful, free, and unrestricted editions of literature for the digital age.</p>
+		<p>Will you <a href="/donate">support our efforts with a donation</a>?</p>
+	</<?= $element ?>>
 <? } ?>
diff --git a/templates/DonationCounter.php b/templates/DonationCounter.php
index 53ab00d6..67d74f17 100644
--- a/templates/DonationCounter.php
+++ b/templates/DonationCounter.php
@@ -1,12 +1,6 @@
 <?
-use Safe\DateTimeImmutable;
-
-$start = new DateTimeImmutable(DONATION_DRIVE_COUNTER_START);
-$end = new DateTimeImmutable(DONATION_DRIVE_COUNTER_END);
-$now = new DateTimeImmutable();
-
-// Hide the alert if the user has closed it
-if(!DONATION_DRIVE_COUNTER_ON || ($autoHide ?? $_COOKIE['hide-donation-alert'] ?? false) || $now > $end){
+// Hide the alert if the user has closed it.
+if(!DONATION_DRIVE_COUNTER_ON || ($autoHide ?? $_COOKIE['hide-donation-alert'] ?? false) || NOW > DONATION_DRIVE_COUNTER_END){
 	return;
 }
 
@@ -14,12 +8,12 @@ $autoHide = $autoHide ?? true;
 $showDonateButton = $showDonateButton ?? true;
 $current = 0;
 
-if($now < $start || $now > $end){
+if(NOW < DONATION_DRIVE_COUNTER_START || NOW > DONATION_DRIVE_COUNTER_END){
 	return;
 }
 
-$deadline = $end->format('F j');
-$timeLeft = $now->diff($end);
+$deadline = DONATION_DRIVE_COUNTER_END->format('F j');
+$timeLeft = NOW->diff(DONATION_DRIVE_COUNTER_END);
 $timeString = '';
 if($timeLeft->d < 1 && $timeLeft->h < 20){
 	$timeString = 'Just hours';
@@ -44,14 +38,13 @@ else{
 }
 
 $digits = str_split(str_pad($current, 3, "0", STR_PAD_LEFT))
-
 ?>
 <aside class="donation counter closable">
 	<? if($autoHide){ ?>
-	<form action="/settings" method="post">
-		<input type="hidden" name="hide-donation-alert" value="1" />
-		<button class="close" title="Close this box">Close this box</button>
-	</form>
+		<form action="/settings" method="post">
+			<input type="hidden" name="hide-donation-alert" value="true" />
+			<button class="close" title="Close this box">Close this box</button>
+		</form>
 	<? } ?>
 	<header>
 		<p><?= $timeString ?> left to help us win $1,000</p>
@@ -64,5 +57,9 @@ $digits = str_split(str_pad($current, 3, "0", STR_PAD_LEFT))
 	<p><strong>Each one-time donation of any amount to Standard Ebooks through <?= $deadline ?> gives us one entry in this $1,000 giveaway.</strong> The more donations we receive through <?= $deadline ?>, the more chances we have to win!</p>
 	<p><strong>This is a great time to <a href="/donate#patrons-circle">join our Patrons Circle</a> with a one-time donation of $100.</strong> Not only will your donation support us directly, but it’ll give us one more entry in this big giveaway.</p>
 	<p>Will you show your support for free, beautiful digital literature?</p>
-	<? if($showDonateButton){ ?><p class="donate-button"><a class="button" href="/donate">Make a one-time donation!</a></p><? } ?>
+	<? if($showDonateButton){ ?>
+		<p class="donate-button">
+			<a class="button" href="/donate">Make a one-time donation!</a>
+		</p>
+	<? } ?>
 </aside>
diff --git a/templates/DonationProgress.php b/templates/DonationProgress.php
index f2616715..1366a621 100644
--- a/templates/DonationProgress.php
+++ b/templates/DonationProgress.php
@@ -1,11 +1,6 @@
 <?
-use Safe\DateTimeImmutable;
-
-$start = new DateTimeImmutable(DONATION_DRIVE_START);
-$end = new DateTimeImmutable(DONATION_DRIVE_END);
-$now = new DateTimeImmutable();
 $totalCurrent = 0;
-$baseTarget = 25;
+$baseTarget = 50;
 $stretchCurrent = 0;
 $stretchTarget = 20;
 
@@ -17,9 +12,9 @@ if(
 	||
 	$GLOBALS['User'] !== null // If a user is logged in
 	||
-	$start > $now // If the drive hasn't started yet
+	DONATION_DRIVE_START > NOW // If the drive hasn't started yet
 	||
-	$now > $end // If the drive has ended
+	NOW > DONATION_DRIVE_END // If the drive has ended
 ){
 	return;
 }
@@ -49,11 +44,11 @@ $totalCurrent = Db::QueryInt('
 			where Created >= ?
 		)
 	) x
-	', [$start, $start, $start]);
+	', [DONATION_DRIVE_START, DONATION_DRIVE_START, DONATION_DRIVE_START]);
 
 $totalTarget = $baseTarget;
-$deadline = $end->format('F j');
-$timeLeft = $now->diff($end);
+$deadline = DONATION_DRIVE_END->format('F j');
+$timeLeft = NOW->diff(DONATION_DRIVE_END);
 $timeString = '';
 if($timeLeft->days < 1 && $timeLeft->h < 20){
 	$timeString = 'Just hours';
@@ -83,27 +78,26 @@ if($stretchTarget > 0 && $totalCurrent >= $baseTarget){
 	$stretchCurrent = $totalCurrent - $baseTarget;
 	$totalTarget = $baseTarget + $stretchTarget;
 }
-
 ?>
 <aside class="donation closable">
 	<? if($autoHide){ ?>
-	<form action="/settings" method="post">
-		<input type="hidden" name="hide-donation-alert" value="1" />
-		<button class="close" title="Close this box">Close this box</button>
-	</form>
+		<form action="/settings" method="post">
+			<input type="hidden" name="hide-donation-alert" value="true" />
+			<button class="close" title="Close this box">Close this box</button>
+		</form>
 	<? } ?>
 	<? if(!$stretchOn){ ?>
-	<header>
-		<? if($timeLeft->days > 5){ ?>
-		<p>Help us reach <?= number_format($baseTarget) ?> new patrons by <?= $deadline ?></p>
-		<? }else{ ?>
-		<p><?= $timeString ?> left to help us reach <?= number_format($baseTarget) ?> new patrons!</p>
-		<? } ?>
-	</header>
+		<header>
+			<? if($timeLeft->days > 5){ ?>
+				<p>Help us reach <?= number_format($baseTarget) ?> new patrons by <?= $deadline ?></p>
+			<? }else{ ?>
+				<p><?= $timeString ?> left to help us reach <?= number_format($baseTarget) ?> new patrons!</p>
+			<? } ?>
+		</header>
 	<? }else{ ?>
-	<header>
-		<p>Help us meet our stretch goal of<br/> <?= number_format($totalTarget) ?> new patrons by <?= $deadline ?></p>
-	</header>
+		<header>
+			<p>Help us meet our stretch goal of<br/> <?= number_format($totalTarget) ?> new patrons by <?= $deadline ?></p>
+		</header>
 	<? } ?>
 	<div class="progress">
 		<div aria-hidden="true">
@@ -115,14 +109,20 @@ if($stretchTarget > 0 && $totalCurrent >= $baseTarget){
 			<p class="target"><?= number_format($totalTarget) ?></p>
 		</div>
 		<progress max="<?= $baseTarget ?>" value="<?= $totalCurrent - $stretchCurrent ?>"></progress>
-		<? if($stretchOn){ ?><progress class="stretch" max="<?= $stretchTarget ?>" value="<?= $stretchCurrent ?>"></progress><? } ?>
+		<? if($stretchOn){ ?>
+			<progress class="stretch" max="<?= $stretchTarget ?>" value="<?= $stretchCurrent ?>"></progress>
+		<? } ?>
 	</div>
 	<? if($stretchOn){ ?>
-	<p>When we started this drive, we set a goal of <?= number_format($baseTarget) ?> Patrons Circle members by <?= $deadline ?>. Thanks to the incredible generosity of literature lovers like you, we hit that goal!</p>
-	<p>Since there’s still some time left in our drive, we thought we’d challenge our readers to help us reach our stretch goal of <?= number_format($totalTarget) ?> patrons, so that we can continue on a rock-solid financial footing. Will you help us with a donation, and support free and unrestricted digital literature?</p>
+		<p>When we started this drive, we set a goal of <?= number_format($baseTarget) ?> Patrons Circle members by <?= $deadline ?>. Thanks to the incredible generosity of literature lovers like you, we hit that goal!</p>
+		<p>Since there’s still some time left in our drive, we thought we’d challenge our readers to help us reach our stretch goal of <?= number_format($totalTarget) ?> patrons, so that we can continue on a rock-solid financial footing. Will you help us with a donation, and support free and unrestricted digital literature?</p>
 	<? }else{ ?>
-	<p>It takes a huge amount of resources and highly-skilled work to create and distribute each of our free ebooks, and we need your support to keep it up. That’s why we want to welcome <?= number_format($baseTarget) ?> new patrons by <?= $deadline ?>. It’s our patrons who keep us on the stable financial footing we need to continue producing and giving away beautiful ebooks.</p>
-	<p>Will you become a patron, and support free and unrestricted digital literature?</p>
+		<p>It takes a huge amount of resources and highly-skilled work to create and distribute each of our free ebooks, and we need your support to keep it up. That’s why we want to welcome <?= number_format($baseTarget) ?> new patrons by <?= $deadline ?>. It’s our patrons who keep us on the stable financial footing we need to continue producing and giving away beautiful ebooks.</p>
+		<p>Will you become a patron, and support free and unrestricted digital literature?</p>
+	<? } ?>
+	<? if($showDonateButton){ ?>
+		<p class="donate-button">
+			<a class="button" href="/donate#patrons-circle">Join the patrons circle</a>
+		</p>
 	<? } ?>
-	<? if($showDonateButton){ ?><p class="donate-button"><a class="button" href="/donate#patrons-circle">Join the patrons circle</a></p><? } ?>
 </aside>
diff --git a/www/collections/get.php b/www/collections/get.php
index 449a1a8b..a6296504 100644
--- a/www/collections/get.php
+++ b/www/collections/get.php
@@ -40,7 +40,7 @@ catch(Exceptions\CollectionNotFoundException){
 	<?= Template::DonationCounter() ?>
 	<?= Template::DonationProgress() ?>
 	<? if(!DONATION_DRIVE_ON && !DONATION_DRIVE_COUNTER_ON && DONATION_HOLIDAY_ALERT_ON){ ?>
-	<?= Template::DonationAlert() ?>
+		<?= Template::DonationAlert() ?>
 	<? } ?>
 	<p class="ebooks-toolbar">
 		<a class="button" href="/collections/<?= Formatter::EscapeHtml($collection) ?>/downloads">Download collection</a>
diff --git a/www/ebooks/ebook.php b/www/ebooks/ebook.php
index cfab46ae..f3282949 100644
--- a/www/ebooks/ebook.php
+++ b/www/ebooks/ebook.php
@@ -170,7 +170,7 @@ catch(Exceptions\EbookNotFoundException){
 			<?= Template::DonationCounter() ?>
 			<?= Template::DonationProgress() ?>
 			<? if(!DONATION_DRIVE_ON && !DONATION_DRIVE_COUNTER_ON && DONATION_ALERT_ON){ ?>
-			<?= Template::DonationAlert() ?>
+				<?= Template::DonationAlert() ?>
 			<? } ?>
 			<? if($ebook->LongDescription === null){ ?>
 				<p><i>There’s no description for this ebook yet.</i></p>
diff --git a/www/ebooks/index.php b/www/ebooks/index.php
index 7e6f121d..7e943ac7 100644
--- a/www/ebooks/index.php
+++ b/www/ebooks/index.php
@@ -110,7 +110,7 @@ catch(Exceptions\AppException $ex){
 	<?= Template::DonationCounter() ?>
 	<?= Template::DonationProgress() ?>
 	<? if(!DONATION_DRIVE_ON && !DONATION_DRIVE_COUNTER_ON && DONATION_HOLIDAY_ALERT_ON){ ?>
-	<?= Template::DonationAlert() ?>
+		<?= Template::DonationAlert() ?>
 	<? } ?>
 	<?= Template::SearchForm(['query' => $query, 'tags' => $tags, 'sort' => $sort, 'view' => $view, 'perPage' => $perPage]) ?>
 	<? if(sizeof($ebooks) == 0){ ?>
diff --git a/www/feeds/atom/search.php b/www/feeds/atom/search.php
index 4e08520e..dd79db62 100644
--- a/www/feeds/atom/search.php
+++ b/www/feeds/atom/search.php
@@ -25,7 +25,7 @@ print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?xml-stylesheet href=\"" . S
 	<title>Search Results</title>
 	<subtitle>Results for “<?= Formatter::EscapeXml($query) ?>”.</subtitle>
 	<icon><?= SITE_URL ?>/images/logo.png</icon>
-	<updated><?= (new DateTimeImmutable())->Format('Y-m-d\TH:i:s\Z') ?></updated>
+	<updated><?= NOW->format('Y-m-d\TH:i:s\Z') ?></updated>
 	<author>
 		<name>Standard Ebooks</name>
 		<uri><?= SITE_URL ?></uri>
diff --git a/www/feeds/opds/search.php b/www/feeds/opds/search.php
index 2d21b9bd..ab2071ab 100644
--- a/www/feeds/opds/search.php
+++ b/www/feeds/opds/search.php
@@ -26,7 +26,7 @@ print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?xml-stylesheet href=\"". SI
 	<title>Search Results</title>
 	<subtitle>Results for “<?= Formatter::EscapeXml($query) ?>”.</subtitle>
 	<icon><?= SITE_URL ?>/images/logo.png</icon>
-	<updated><?= (new DateTimeImmutable())->Format('Y-m-d\TH:i:s\Z') ?></updated>
+	<updated><?= NOW->format('Y-m-d\TH:i:s\Z') ?></updated>
 	<author>
 		<name>Standard Ebooks</name>
 		<uri><?= SITE_URL ?></uri>
diff --git a/www/feeds/rss/search.php b/www/feeds/rss/search.php
index 702b2821..9fac0ae7 100644
--- a/www/feeds/rss/search.php
+++ b/www/feeds/rss/search.php
@@ -24,7 +24,7 @@ print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n<?xml-stylesheet href=\"" . S
 		<description>Results for “<?= Formatter::EscapeXml($query) ?>”.</description>
 		<language>en-US</language>
 		<copyright>https://creativecommons.org/publicdomain/zero/1.0/</copyright>
-		<lastBuildDate><?= (new DateTimeImmutable())->format('r') ?></lastBuildDate>
+		<lastBuildDate><?= NOW->format('r') ?></lastBuildDate>
 		<docs>http://blogs.law.harvard.edu/tech/rss</docs>
 		<atom:link href="<?= SITE_URL ?>/feeds/rss/all?query=<?= urlencode($query) ?>" rel="self" type="application/rss+xml"/>
 		<atom:link href="<?= SITE_URL ?>/ebooks/opensearch" rel="search" type="application/opensearchdescription+xml" />
diff --git a/www/polls/get.php b/www/polls/get.php
index dafdf815..075046fa 100644
--- a/www/polls/get.php
+++ b/www/polls/get.php
@@ -7,7 +7,7 @@ $canVote = true; // Allow non-logged-in users to see the 'vote' button
 try{
 	$poll = Poll::GetByUrlName(HttpInput::Str(GET, 'pollurlname'));
 
-	if(!$poll->IsActive() && $poll->End !== null && $poll->End < new DateTimeImmutable()){
+	if(!$poll->IsActive() && $poll->End !== null && $poll->End < NOW){
 		// If the poll ended, redirect to the results
 		header('Location: ' . $poll->Url . '/votes');
 		exit();
@@ -47,7 +47,7 @@ catch(Exceptions\AppException){
 				<a href="<?= $poll->Url ?>/votes" class="button">View results</a>
 			</p>
 		<? }else{ ?>
-			<? if($poll->Start !== null && $poll->Start > new DateTimeImmutable()){ ?>
+			<? if($poll->Start !== null && $poll->Start > NOW){ ?>
 				<p class="center-notice">This poll opens on <?= $poll->Start->format('F j, Y g:i a') ?>.</p>
 			<? }else{ ?>
 				<p class="center-notice">This poll closed on <?= $poll->End->format('F j, Y g:i a') ?>.</p>