diff --git a/C4/Installer/PerlDependencies.pm b/C4/Installer/PerlDependencies.pm
index c1d03c710f..6069865301 100644
--- a/C4/Installer/PerlDependencies.pm
+++ b/C4/Installer/PerlDependencies.pm
@@ -782,6 +782,11 @@ our $PERL_DEPS = {
         'required' => '1',
         'min_ver'  => '1.10',
     },
+    'Time::Fake'   => {
+        'usage'    => 'Test code coverage',
+        'required' => '0',
+        'min_ver'  => '0.11',
+    }
 };
 
 1;
diff --git a/t/Circulation/AgeRestrictionMarkers.t b/t/Circulation/AgeRestrictionMarkers.t
index 750bf9b308..541293ddbe 100644
--- a/t/Circulation/AgeRestrictionMarkers.t
+++ b/t/Circulation/AgeRestrictionMarkers.t
@@ -1,8 +1,26 @@
 #!/usr/bin/perl
 
+# This file is part of Koha.
+#
+# Copyright (C) 2015  Mark Tompsett (Time Zone Shifts)
+#
+# Koha is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# Koha is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Koha; if not, see <http://www.gnu.org/licenses>.
+
 use Modern::Perl;
+
 use DateTime;
-use Test::More tests => 10;
+use Test::More tests => 7;
 
 use t::lib::Mocks;
 
@@ -16,19 +34,50 @@ is ( C4::Circulation::GetAgeRestriction('PEGI16'), '16', 'PEGI16 returns 16' );
 is ( C4::Circulation::GetAgeRestriction('Age 16'), '16', 'Age 16 returns 16' );
 is ( C4::Circulation::GetAgeRestriction('K16'), '16', 'K16 returns 16' );
 
+subtest 'Patron tests - 15 years old' => sub {
+    plan tests => 5;
+    ##Testing age restriction for a borrower.
+    my $now = DateTime->now();
+    my $borrower = {};
+    C4::Members::SetAge( $borrower, '0015-00-00' );
+    TestPatron($borrower,0);
+};
 
-##Testing age restriction for a borrower.
-my $now = DateTime->now();
-my $borrower = {};
-C4::Members::SetAge( $borrower, '0015-00-00' );
+subtest 'Patron tests - 15 years old (Time Zone shifts)' => sub {
+    my $CheckTimeFake = eval { require Time::Fake; 1; } || 0;
+    SKIP: {
+        skip "Install Time::Fake to regression test for Bug 14362.", 115 if $CheckTimeFake!=1;
+        # 115 regression tests = 5 tests (see TestPatron) for 23 timezones.
+        plan tests => 115;
+        my $offset = 1;
+        # <24 hours in a day.
+        while ($offset<24) {
+            Time::Fake->offset("+${offset}h");
 
-my ($restriction_age, $daysToAgeRestriction) = C4::Circulation::GetAgeRestriction('FSK 16', $borrower);
-is ( ($daysToAgeRestriction > 0), 1, 'FSK 16 blocked for a 15 year old' );
-($restriction_age, $daysToAgeRestriction) = C4::Circulation::GetAgeRestriction('PEGI 15', $borrower);
-is ( ($daysToAgeRestriction <= 0), 1, 'PEGI 15 allowed for a 15 year old' );
-($restriction_age, $daysToAgeRestriction) = C4::Circulation::GetAgeRestriction('PEGI14', $borrower);
-is ( ($daysToAgeRestriction <= 0), 1, 'PEGI14 allowed for a 15 year old' );
-($restriction_age, $daysToAgeRestriction) = C4::Circulation::GetAgeRestriction('Age 10', $borrower);
-is ( ($daysToAgeRestriction <= 0), 1, 'Age 10 allowed for a 15 year old' );
-($restriction_age, $daysToAgeRestriction) = C4::Circulation::GetAgeRestriction('K18', $borrower);
-is ( ($daysToAgeRestriction > 0), 1, 'K18 blocked for a 15 year old' );
\ No newline at end of file
+            ##Testing age restriction for a borrower.
+            my $now = DateTime->now();
+            my $borrower = {};
+            C4::Members::SetAge( $borrower, '0015-00-00' );
+            TestPatron($borrower,$offset);
+
+            $offset++;
+        }
+    }
+};
+
+# The Patron tests
+sub TestPatron {
+    my ($borrower,$offset) = @_;
+
+    my ($restriction_age, $daysToAgeRestriction) = C4::Circulation::GetAgeRestriction('FSK 16', $borrower);
+    is ( ($daysToAgeRestriction > 0), 1, "FSK 16 blocked for a 15 year old - $offset hours" );
+    ($restriction_age, $daysToAgeRestriction) = C4::Circulation::GetAgeRestriction('PEGI 15', $borrower);
+    is ( ($daysToAgeRestriction <= 0), 1, "PEGI 15 allowed for a 15 year old - $offset hours" );
+    ($restriction_age, $daysToAgeRestriction) = C4::Circulation::GetAgeRestriction('PEGI14', $borrower);
+    is ( ($daysToAgeRestriction <= 0), 1, "PEGI14 allowed for a 15 year old - $offset hours" );
+    ($restriction_age, $daysToAgeRestriction) = C4::Circulation::GetAgeRestriction('Age 10', $borrower);
+    is ( ($daysToAgeRestriction <= 0), 1, "Age 10 allowed for a 15 year old - $offset hours" );
+    ($restriction_age, $daysToAgeRestriction) = C4::Circulation::GetAgeRestriction('K18', $borrower);
+    is ( ($daysToAgeRestriction > 0), 1, "K18 blocked for a 15 year old - $offset hours" );
+    return;
+}