Crontab syntax Description

Users can create scheduled workflow through Crontab in Action.

Crontab is a set of commands used to schedule the execution of tasks. Users can set the time parameters to make the programs run on schedule.

A crontab file has five fields for specifying day, date, and time followed by the command to be run at that interval. After being set, your workflow will run automatically on schedule.

# the format of crontab: 
    *    *    *    *    *
    -    -    -    -    -
    |    |    |    |    |
    |    |    |    |    +----- day of week (0 - 7) (Sunday=0 or 7) 
    |    |    |    +---------- month (1 - 12)
    |    |    +--------------- day of the month (1 - 31)
    |    +-------------------- hour (0 - 23)
    +------------------------- minute (0 - 59)
    
# Examples：
    0 0 1 * *       # the firth day of a month
    10 6 * * 1-5    # every Monday to Friday at 6:10 a.m. 

You also can enter Crontab online editor for more syntax descriptions and examples through the link.

Crontab.guru - The cron schedule expression editor