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cron.surf

Convert GitHub Actions cron to Quartz

GitHub Actions writes min hour dom mon dow; Quartz writes sec min hour dom mon dow [year]. Paste an expression to convert it. Anything that does not map exactly is flagged with the reason and a workaround.

“At 09:00, Monday through Friday”

To · QuartzExact
0 0 9 ? * 2-6
Seconds first, Sunday is 1, one day field must be ?.

Same schedule on other platforms

crontabExact
0 9 * * 1-5
Runs in the system time zone; cronie also reads CRON_TZ=.
KubernetesExact
0 9 * * 1-5
Set spec.timeZone, or it uses the controller’s local zone.
AWS EventBridgeExact
cron(0 9 ? * 2-6 *)
cron() with six fields; one day field must be ?. UTC unless you set a time zone.
SpringExact
0 0 9 * * 1-5
Six fields, seconds first; set zone= or it uses the server zone.

Next 10 runs

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GitHub Actions vs Quartz

GitHub ActionsQuartz
Fieldsmin hour dom mon dowsec min hour dom mon dow [year]
Sunday01 (SUN=1 … SAT=7)
Day and weekday both seteither matchesone of them must be ?
Special charactersnoneL W # LW L-n
Shortcutsnonenone
Time zoneUTC, or timezone: per entryinTimeZone(), else the JVM zone
Shortest interval5 minutes, best effort1 second

Common schedules, converted

GitHub ActionsQuartz
Every 5 minutes*/5 * * * *0 */5 * * * ?
Every hour0 * * * *0 0 * * * ?
Every 10 minutes*/10 * * * *0 */10 * * * ?
Every 15 minutes*/15 * * * *0 */15 * * * ?
Every 30 minutes*/30 * * * *0 */30 * * * ?
Daily at midnight0 0 * * *0 0 0 * * ?
Daily at 9 am0 9 * * *0 0 9 * * ?
Weekdays at 9 am0 9 * * 1-50 0 9 ? * 2-6
Every Monday0 0 * * 10 0 0 ? * 2
First day of the month0 0 1 * *0 0 0 1 * ?
Every 6 hours0 */6 * * *0 0 */6 * * ?
Every Sunday at midnight0 0 * * 00 0 0 ? * 1
Every 2 hours0 */2 * * *0 0 */2 * * ?
Every 12 hours0 */12 * * *0 0 */12 * * ?
Daily at noon0 12 * * *0 0 12 * * ?
Every Friday0 0 * * 50 0 0 ? * 6
Every quarter0 0 1 */3 *0 0 0 1 */3 ?
Every 3 hours0 */3 * * *0 0 */3 * * ?
Daily at 6 am0 6 * * *0 0 6 * * ?
Daily at 6 pm0 18 * * *0 0 18 * * ?
Twice a day0 */12 * * *0 0 */12 * * ?
Weekdays at 6 pm0 18 * * 1-50 0 18 ? * 2-6
Weekends at 10 am0 10 * * 0,60 0 10 ? * 1,7
15th of the month0 0 15 * *0 0 0 15 * ?
Once a year0 0 1 1 *0 0 0 1 1 ?
Every 20 minutes*/20 * * * *0 */20 * * * ?
Every 4 hours0 */4 * * *0 0 */4 * * ?
Every 8 hours0 */8 * * *0 0 */8 * * ?
Daily at 1 am0 1 * * *0 0 1 * * ?
Daily at 2 am0 2 * * *0 0 2 * * ?
Daily at 3 am0 3 * * *0 0 3 * * ?
Daily at 8 am0 8 * * *0 0 8 * * ?
Every weekday0 0 * * 1-50 0 0 ? * 2-6
Every weekend day0 0 * * 0,60 0 0 ? * 1,7
Every Tuesday0 0 * * 20 0 0 ? * 3
Every Wednesday0 0 * * 30 0 0 ? * 4
Every Thursday0 0 * * 40 0 0 ? * 5
Every Saturday0 0 * * 60 0 0 ? * 7
Every 6 months0 0 1 */6 *0 0 0 1 */6 ?

FAQ

Can every GitHub Actions expression be converted to Quartz?

Of the 39 common schedules on this page, all convert exactly. Special characters that Quartz lacks are still flagged when you use them.

How is Sunday written in GitHub Actions and Quartz?

GitHub Actions: 0. Quartz: 1 (SUN=1 … SAT=7).

Does the time zone carry over?

The expression has no time zone. GitHub Actions: UTC, or timezone: per entry. Quartz: inTimeZone(), else the JVM zone.