diff --git a/ChangeLog b/ChangeLog
index e10cd791c..a5dc22f30 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2006-11-07  Wolfgang Sourdeau  <wsourdeau@inverse.ca>
 
+	* UI/Scheduler/UIxTimeDateControl.m ([UIxTimeDateControl
+	-setDayStartHour:aStartHour]): adjust the minutes to the next
+	quarter of hour, if not already set to a quarter.
+
 	* UI/WebServerResources/UIxAppointmentEditor.js,
 	UI/WebServerResources/UIxTaskEditor.js: added code to manage start
 	date change.
diff --git a/UI/Scheduler/UIxTimeDateControl.m b/UI/Scheduler/UIxTimeDateControl.m
index 469e63301..9c5e315b4 100644
--- a/UI/Scheduler/UIxTimeDateControl.m
+++ b/UI/Scheduler/UIxTimeDateControl.m
@@ -70,13 +70,17 @@
 }
 
 - (void)setDate:(NSCalendarDate *)_date {
+  int minuteValue;
   if (!_date)
     _date = [NSCalendarDate date];
   [_date setTimeZone: [[self clientObject] userTimeZone]];
   [self _setDate: _date];
 
+  minuteValue = [_date minuteOfHour];
+  if (minuteValue % 15)
+    minuteValue += 15 - (minuteValue % 15);
   [self setHour: [NSNumber numberWithInt: [_date hourOfDay]]];
-  [self setMinute: [NSNumber numberWithInt: [_date minuteOfHour]]];
+  [self setMinute: [NSNumber numberWithInt: minuteValue]];
   [self setYear: [NSNumber numberWithInt: [_date yearOfCommonEra]]];
   [self setMonth: [NSNumber numberWithInt: [_date monthOfYear]]];
   [self setDay: [NSNumber numberWithInt: [_date dayOfMonth]]];