diff --git a/Koha/Calendar.pm b/Koha/Calendar.pm
index 354ed3c307..cc71b3926a 100644
--- a/Koha/Calendar.pm
+++ b/Koha/Calendar.pm
@@ -449,6 +449,20 @@ Koha::Calendar - Object containing a branches calendar
 
 =head1 METHODS
 
+=head2 _init
+
+    $calendar->_init();
+
+Populates the object with repeatable closed days (weekly and day/month) for the
+branch. Called automatically by C<new>.
+
+=head2 _holidays
+
+    my $holidays = $calendar->_holidays();
+
+Returns a hashref of special (one-off) holidays for the branch, keyed by
+C<YYYYMMDD> date strings. Results are cached.
+
 =head2 new : Create a calendar object
 
 my $calendar = Koha::Calendar->new( branchcode => 'MAIN' );
diff --git a/t/db_dependent/Calendar.t b/t/db_dependent/Calendar.t
index 0b1c479c3f..0c2ca52165 100755
--- a/t/db_dependent/Calendar.t
+++ b/t/db_dependent/Calendar.t
@@ -612,7 +612,7 @@ subtest 'hours_between | days_between' => sub {
             $diff_hours = $calendar->hours_between( $now, $nov_13->clone->subtract( hours => 3 ) )->hours;
             is( $diff_hours, 8 * 24 - 2 * 24 - 3, 'hours: 289 hours, 2 holidays ' );
             $diff_days = $calendar->days_between( $now, $nov_13->clone->subtract( hours => 3 ) )->delta_days;
-            is( $diff_days, 8 - 1, 'days: 289 hours, 2 holidays' );
+            is( $diff_days, 8 - 2, 'days: 289 hours, 2 holidays' );
 
             # Between 5th and 15th
             $diff_hours = $calendar->hours_between( $now, $nov_15->clone->subtract( hours => 3 ) )->hours;