[英]Set up crontab every 4 hours 15 minutes
Below, I have this cron expression that runs every 4 hours: 下面,我有一个每4小时运行一次的cron表达式:
* */4 * * *
However, I need it to run every 4 hours 15 minutes. 但是,我需要它每4小时15分钟运行一次。
Your help is appreciated. 感谢您的帮助。
我在使用此Cron时遇到问题,我不知道该表达式是否不正确,它将每4小时运行一次,但不会停止,它在开始运行的每一分钟都会运行
* */4 * * *
I'm sure it's impossible to implement it with just a single rule. 我敢肯定,仅凭一条规则就不可能实现它。
But you still can achieve the same using multiple rules: 但是您仍然可以使用多个规则来实现相同目的:
0 0 * * * ...
15 4 * * * ...
30 8 * * * ...
45 12 * * * ...
0 17 * * * ...
15 21 * * * ...
WARNING : It would run with larger/shorter intervals on DST change though. 警告 :虽然DST更改会以较大/较短的间隔运行。
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