TimeZoneOffset Not Working Properly

6 posts, 0 answers
  1. Marc
    Marc avatar
    34 posts
    Member since:
    Oct 2007

    Posted 16 Mar 2011 Link to this post


    I created a non recurring appointment on March 1 2011 with a start date and time of March 16 2011 at 11am.  After it was created it showed in the scheduler correctly as11am.  However, now that March 16th has come the appointment is shown in the scheduler as starting at noon (1hr ahead of what its suppose to start on).  In the database its stored as "2011-03-15 19:00:00.000", my server time zone is PST (Pacific Standard Time).  I have created my scheduler and data access as outlined here and have a load event as shown below.  Please advise on how to get my events to show properly, its much more than just this event and this is a problem in production right now. 

    protected void RadScheduler1_Load(object sender, EventArgs e)
        TimeZone localZone = TimeZone.CurrentTimeZone;
        TimeSpan currentOffset = localZone.GetUtcOffset(DateTime.Today);
        this.RadScheduler1.TimeZoneOffset = currentOffset;

  2. Nikolay Tsenkov
    Nikolay Tsenkov avatar
    734 posts

    Posted 22 Mar 2011 Link to this post

    Hello Marc,

    The problem you experience is caused by the fact that the Scheduler does not keep any additional time zone information (the TimeZone in which an appointment is scheduled).
    In your case the TimeZone has changed (due to Daylight Saving Time) and the appointment is displayed according to the new TimeZone.

    This is something we are going to research on implementing in future development of the control.

    Kind regards,
    Nikolay Tsenkov
    the Telerik team
  3. Vladimir
    Vladimir avatar
    2 posts
    Member since:
    Jun 2011

    Posted 15 Feb 2012 Link to this post

    I also have a problem with daylight savings time.
    If I create an event for March 30, 13:00 (GMT+1), it is stored in DB in UTC as March 30 11:00 UTC - it is correct because it is DST
    but it is displayed at March 30, 12:00 in scheduler now (February 15), because TimeZoneOffset is GMT+1

    Does the control support processing DST correctly now ? Or can you advice other way to show events properly ?

  4. Peter
    Peter avatar
    6637 posts

    Posted 17 Feb 2012 Link to this post

    Hi Vladimir,

    Thank you for reporting this issue. I have logged it and our developers have already began working on it. We will let you know when we fix it.

    the Telerik team
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  5. Ken
    Ken avatar
    28 posts
    Member since:
    Sep 2012

    Posted 12 Mar 2012 Link to this post

    Any update on this issue?
  6. Peter
    Peter avatar
    6637 posts

    Posted 14 Mar 2012 Link to this post

    Hi Ken,

    Thank you for your inquiry. The issue is still present, but we are currently working on resolving it.

    the Telerik team
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