What Does 0 0 1,15 * * Mean?

Explanation

Runs twice monthly on the 1st and 15th at midnight.

Field Breakdown

Field	Value	Meaning
Minute (0-59)	0	At minute 0
Hour (0-23)	0	At midnight (00:00)
Day of month (1-31)	1,15	Days 1,15 of the month
Month (1-12)	*	Every month
Day of week (0-6)	*	Every day of the week

Common Use

0 0 1,15 * * /path/to/your/script.sh

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