以人类可读的方式使用crontab构建器的Cron作业表达式

以人类可读的方式使用crontab构建器的Cron作业表达式

* * * * 0 

you can use above cron job to run on every week on sunday, but in addition on what time you want to run this job for that you can follow below concept :

* * * * *  Command_to_execute
- � � � -
| | | | |
| | | | +�� Day of week (0�6) (Sunday=0) or Sun, Mon, Tue,...
| | | +���- Month (1�12) or Jan, Feb,...
| | +����-� Day of month (1�31)
| +������� Hour (0�23)
+��������- Minute (0�59)

我想你会喜欢这个交互式网站，它经常帮助我构建复杂的Crontab指令:https://crontab.guru/

10 * * *太阳

Position 1 for minutes, allowed values are 1-60
position 2 for hours, allowed values are 1-24
position 3 for day of month ,allowed values are 1-31
position 4 for month ,allowed values are 1-12 
position 5 for day of week ,allowed values are 1-7 or and the day starts at Monday. 

在指定cron值时，您需要确保您的值在该范围内。例如，一些cron使用0-7范围表示星期几，其中0和7表示星期日。我们没有(请看下面)。

Seconds: 0-59
Minutes: 0-59
Hours: 0-23
Day of Month: 1-31
Months: 0-11
Day of Week: 0-6

参考:https://github.com/ncb000gt/node-cron