diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index d75b841962..9c7a3fb7cf 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -131,6 +131,7 @@
 		<li>[Change] Added sanity checks to various ACP settings</li>
 		<li>[Change] Removed minimum form times</li>
 		<li>[Fix] Check topics_per_page value in acp_forums (Bug #15539)</li>
+		<li>[Fix] Custom profile fields with date type should be timezone independend (Bug #15003)</li>
 	</ul>
 
 	<a name="v30rc8"></a><h3>1.i. Changes since 3.0.RC8</h3>
diff --git a/phpBB/includes/functions_profile_fields.php b/phpBB/includes/functions_profile_fields.php
index 3797166429..b621095df4 100644
--- a/phpBB/includes/functions_profile_fields.php
+++ b/phpBB/includes/functions_profile_fields.php
@@ -488,7 +488,8 @@ class custom_profile
 				else if ($day && $month && $year)
 				{
 					global $user;
-					return $user->format_date(mktime(0, 0, 0, $month, $day, $year), $user->lang['DATE_FORMAT'], true);
+					// d/m/y 00:00 GMT isn't necessarily on the same d/m/y in the user's timezone, so add the timezone seconds
+					return $user->format_date(gmmktime(0, 0, 0, $month, $day, $year) + $user->timezone + $user->dst, $user->lang['DATE_FORMAT'], true);
 				}
 
 				return $value;