diff --git a/includes/Models/Paste.php b/includes/Models/Paste.php
index e64988c..3156b0f 100644
--- a/includes/Models/Paste.php
+++ b/includes/Models/Paste.php
@@ -1,6 +1,7 @@
 <?php
 namespace PonePaste\Models;
 
+use DateTime;
 use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Database\Eloquent\Model;
 
@@ -41,6 +42,23 @@ class Paste extends Model {
         $this->save();
     }
 
+    public function expiryDisplay() {
+        $expiry = $this->expiry;
+        if (!$expiry) {
+            return 'Never';
+        }
+        if ($expiry == 'SELF') {
+            return '<b>View Once</b>';
+        }
+        $dateTime = new DateTime();
+        $dateTime->setTimestamp($expiry);
+        $ret = $dateTime->format('Y-m-d H:i:s');
+        if ($dateTime->diff(new DateTime())->days < 1) {
+            $ret = "<b>$ret</b>";
+        }
+        return $ret;
+    }
+
     public static function getRecent(int $count = 10) : Collection {
         return Paste::with('user')
             ->orderBy('created_at', 'DESC')
diff --git a/public/index.php b/public/index.php
index b4c8d96..03469af 100644
--- a/public/index.php
+++ b/public/index.php
@@ -27,9 +27,9 @@ function verifyCaptcha() : string|bool {
  * Calculate the expiry of a paste based on user input.
  *
  * @param string $expiry Expiry time.
- *                       SELF means to expire upon one view. +10M, +1H, +1D, +1W, +2W, +1M all do the obvious.
+ *                       SELF means to expire upon one view. +0Y0M0DT0H10M, +1H, +1D, +1W, +2W, +1M all do the obvious.
  *                       Anything unhandled means to expire never.
- * @return string|null Expiry time, or NULL if expires never.
+ * @return string|null 'SELF', Expiry time as Unix timestamp, or NULL if expires never.
  */
 function calculatePasteExpiry(string $expiry) : ?string {
     // used to use mktime
@@ -37,7 +37,7 @@ function calculatePasteExpiry(string $expiry) : ?string {
         return 'SELF';
     }
 
-    $valid_expiries = ['10M', '1H', '1D', '1W', '2W', '1M'];
+    $valid_expiries = ['0Y0M0DT0H10M', '1H', '1D', '1W', '2W', '1M'];
 
     return in_array($expiry, $valid_expiries)
         ? (new DateTime())->add(new DateInterval("P{$expiry}"))->format('U')
diff --git a/theme/bulma/main.php b/theme/bulma/main.php
index 0dc9cf8..384afd4 100644
--- a/theme/bulma/main.php
+++ b/theme/bulma/main.php
@@ -218,8 +218,8 @@
                                                         <select name="paste_expire_date">
 
                                                         <?= optionsForSelect(
-                                                                    ['Never', 'View Once', '10 minutes', '1 hour', '1 day', '1 week', '2 weeks', '1 month'],
-                                                                    ['N',     'self',      '10M',        '1H',     '1D',    '1W',     '2W',      '1M'],
+                                                                    ['Never', 'View Once', '10 minutes',   '1 hour', '1 day', '1 week', '2 weeks', '1 month'],
+                                                                    ['N',     'self',      '0Y0M0DT0H10M', '1H',     '1D',    '1W',     '2W',      '1M'],
                                                                     $post_expire
                                                         ); ?>
                                                         </select>
diff --git a/theme/bulma/view.php b/theme/bulma/view.php
index 60d5bc7..9251f68 100644
--- a/theme/bulma/view.php
+++ b/theme/bulma/view.php
@@ -129,6 +129,7 @@ $selectedloader = "$bg[$i]"; // set variable equal to which random filename was
                                 <?php if ($paste['updated_at'] != $paste['created_at']): ?>
                                     Updated: <?= $paste['updated_at'] ?>
                                 <?php endif; ?>
+                                Expiry: <?= $paste->expiryDisplay() ?>
                             </small>
                         </div>
                         <div class="column is-4 has-text-right">
@@ -298,7 +299,7 @@ $selectedloader = "$bg[$i]"; // set variable equal to which random filename was
                                                 <select name="paste_expire_date">
                                                     <option value="N" selected="selected">Never</option>
                                                     <option value="self">View Once</option>
-                                                    <option value="10M">10 Minutes</option>
+                                                    <option value="0Y0M0DT0H10M">10 Minutes</option>
                                                     <option value="1H">1 Hour</option>
                                                     <option value="1D">1 Day</option>
                                                     <option value="1W">1 Week</option>