I'm having hard time figure out the format to run every hour on the :50 minute mark.

I've tried:


But it

Timer unit lacks value setting. Refusing.

1 Answer 1


You can find detailed description how to specify time for timer unit in man systemd.time:

Examples for valid timestamps and their normalized form:

hourly → *-*-* *:00:00

So I guess the value you want to put there is:

*-*-* *:50:00


Either time or date specification may be omitted, in which case the current day and 00:00:00 is implied, respectively. If the second component is not specified, ":00" is assumed.

So it should be enough to put there just *:50

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