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Editorial Team
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Asked: 2026-06-01T10:54:12+00:00

it is a interesting question. i am using Quartz.net to make job scheduler. also

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it is a interesting question. i am using Quartz.net to make job scheduler. also CronMaker is good for understanding crontrigger expressions. But i want to generate special day trigger. For example:
EXAMPLE1:

Run Times per 15 minutes :
03.04.2012 13:45 (starttime)

03.04.2012 14:00 (next run time)

Also
EXAMPLE2:

only one working : 03.04.2012 (13:45 only one )

How to write EXAMPLE1 and EXAMPLE2 cron expressions?

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  1. Editorial Team

    EXAMPLE1: Run Times per 15 minutes start from 13:45:00 and only run on 03-APR-2012

    Create 2 Cron expressions:

    • Run Times on 03-APR-2012 13:45:00 and run exactly once

    0 45 13 3 APR ? 2012

    • Run Times since 03-APR-2012 14:00:00 , repeat per 15 minutes and only run on 03-APR-2012

    0 /15 14-23 3 APR ? 2012

    EXAMPLE2: Run Times on 03-APR-2012 13:45:00 and run exactly once

    0 45 13 3 APR ? 2012

    EXAMPLE3: RUN Times from 03.04.2012 13:45:00 to 12.04.2012 15:45:00 per 15 minutes

    It can be spilt into the following triggers:

    • For 03.04.2012 , use two trigger from Example 1

    • For 04.04.2012 – 11-04.2012 , use 

     0 /15 * 4-11 APR ? 2012
    • For 12.04.2012 , use the following triggers

    0 /15 0-15 12 APR ? 2012

    For simplicity , I will use the CronTriggerImpl to build this schedule as it contains the method to set the start time and end time for a cron expression .

    In this way , I can make the cron expression that always repeats 15 minutes and set the start time and end time to limit this schedule to be executed in a defined date range.

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