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v-thomp4/gist:cf4e893b559c7ce7b599

Created March 27, 2015 07:12
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Run a cron job every minute only on specific hours
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gistfile1.md 
*/1 11,16,21 * * * COMMAND

Traditional (inherited from Unix) cron format consists of five fields separated by white spaces:

*    *    *    *    *  command to be executed
┬    ┬    ┬    ┬    ┬
│    │    │    │    │
│    │    │    │    │
│    │    │    │    └───── day of week (0 - 6) (0 is Sunday, or use names)
│    │    │    └────────── month (1 - 12)
│    │    └─────────────── day of month (1 - 31)
│    └──────────────────── hour (0 - 23)
└───────────────────────── min (0 - 59)
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