┌──────────── [optional] seconds (0 - 59)
| ┌────────── minute (0 - 59)
| | ┌──────── hour (0 - 23)
| | | ┌────── day of month (1 - 31)
| | | | ┌──── month (1 - 12) OR jan,feb,mar,apr ...
| | | | | ┌── day of week (0 - 6, sunday=0) OR sun,mon ...
| | | | | |
* * * * * * command
|
Symbol
|
Meaning
|
Example
|
Equivalent
|
| * |
Any value |
* * * *
|
Every minute |
| - |
Range of values |
1-10 * * *
|
Minutes 1 through 10 |
| , |
List of values |
1,10 * * *
|
At minutes 1 and 10 |
| / |
Step values |
*/10 * * *
|
Every 10 minutes |
| @yearly |
Once every year at midnight of 1 January |
@yearly
|
0 0 1 1 * |
| @annually |
Same as @yearly |
@annually
|
0 0 1 1 * |
| @monthly |
Once a month at midnight on the first day |
@monthly
|
0 0 1 * * |
| @weekly |
Once a week at midnight on Sunday morning |
@weekly
|
0 0 * * 0 |
| @daily |
Once a day at midnight |
@daily
|
0 0 * * * |
| @midnight |
Same as @daily |
@midnight
|
0 0 * * * |
| @hourly |
Once an hour at the beginning of the hour |
@hourly
|
0 * * * * |
| @reboot |
Run at startup |
|
|