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Quartz.net Create daily schedule on UTC time

I'm trying to fire a job every morning at 8AM, UTC time. The problem is the triggers aren't respecting the time I'm telling it.

My code is as follows:

    ITrigger trigger = TriggerBuilder.Create()
        .WithDailyTimeIntervalSchedule(
             s => s.WithIntervalInHours(24)
                 .OnEveryDay()
                 .StartingDailyAt(TimeOfDay.HourAndMinuteOfDay(8,0)))
        .Build();

   var times = TriggerUtils.ComputeFireTimes(trigger as IOperableTrigger, null, 10);

   foreach (var time in times)
       Console.WriteLine(time.UtcDateTime);

The output is:

30/09/2013 10:00:00 PM
1/10/2013 10:00:00 PM
2/10/2013 10:00:00 PM
3/10/2013 10:00:00 PM
4/10/2013 10:00:00 PM
5/10/2013 10:00:00 PM
6/10/2013 9:00:00 PM
7/10/2013 9:00:00 PM
8/10/2013 9:00:00 PM
9/10/2013 9:00:00 PM

The reason the hour changes on the 6th is that daylight savings time starts here this weekend.

How do I get it to just trigger at 8AM UTC time like I'm telling it to?

Edit: This is crazy, it even does it with the Cron schedule:

ITrigger trigger = TriggerBuilder.Create()
    .WithCronSchedule("0 0 8 * * ?")
    .Build();

var times = TriggerUtils.ComputeFireTimes(trigger as IOperableTrigger, null, 10);

foreach (var time in times)
    Console.WriteLine(time.UtcDateTime);

Output:

30/09/2013 10:00:00 PM
1/10/2013 10:00:00 PM
2/10/2013 10:00:00 PM
3/10/2013 10:00:00 PM
4/10/2013 10:00:00 PM
5/10/2013 9:00:00 PM
6/10/2013 9:00:00 PM
7/10/2013 9:00:00 PM
8/10/2013 9:00:00 PM
9/10/2013 9:00:00 PM
like image 625
PMac Avatar asked Sep 29 '13 23:09

PMac


2 Answers

After pulling down the source code and digging through, I've found a couple of solutions.

I originally found a solution like so:

var trigger4 = new DailyTimeIntervalTriggerImpl
{
    StartTimeUtc = DateTime.UtcNow,
    StartTimeOfDay = new TimeOfDay(8, 0, 0),
    RepeatIntervalUnit = IntervalUnit.Hour,
    RepeatInterval = 24,
    TimeZone = TimeZoneInfo.Utc
};

...which led me to adjust my original code:

ITrigger trigger2 = TriggerBuilder.Create()
    .WithDailyTimeIntervalSchedule(
        s => s.WithIntervalInHours(24)
            .StartingDailyAt(TimeOfDay.HourAndMinuteOfDay(8, 0))
            .InTimeZone(TimeZoneInfo.Utc))
    .Build();

Both of these give me what I'm after. I just wish there was some decent documentation out there for this library.

like image 112
PMac Avatar answered Oct 12 '22 08:10

PMac


Though this is old, I'll answer it here anyway. You can simply perform the operation of:

ITrigger trigger = TriggerBuilder.Create() .WithCronSchedule("0 0 8 * * ?", cron => { cron.InTimeZone(TimeZoneInfo.Utc); } ) .Build();

like image 45
Chris Danielson Avatar answered Oct 12 '22 10:10

Chris Danielson