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. 

下面是crontab文件的格式。

{分钟}{小时}{月日}{月日}{用户}{path-to-shell-script}

因此，在每个周日的午夜运行(周日通常是0，在一些罕见的情况下是7):

0 0 * * 0 root /path_to_command

下面是对crontab格式的解释。

# 1. Entry: Minute when the process will be started [0-60]
# 2. Entry: Hour when the process will be started [0-23]
# 3. Entry: Day of the month when the process will be started [1-28/29/30/31]
# 4. Entry: Month of the year when the process will be started [1-12]
# 5. Entry: Weekday when the process will be started [0-6] [0 is Sunday]
#
# all x min = */x

所以根据这个，你的5 8 * * 0会在每周日8:05运行。

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/

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

crontab网站提供了实时结果显示:https://crontab.guru/#5_8_*_*_0