Cron expression: last day of every month at midnight

At 00:00 on the last day of the month (UTC).

WhereExpression
Azure Functions timer (NCrontab, 6 fields)—not supported
NCrontab (5 fields)—not supported
Hangfire (Cronos)0 0 L * *Test it
Quartz.NET0 0 0 L * ?Test it

NCrontab has no “last day” (L) syntax, so Azure Functions timer triggers can't express it directly. One way round it is to run daily and check the date in code.

“Not supported” means that format has no expression for this schedule.

Every expression above was run through the library it's written for, and gives the same next run times there as in this site's tester.

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