Running a cron job at 2 30 AM everyday

Question

How to configure a cron job to run every night at 2 30  I know how to make it run at 2  but not 2 30

User · Accepted Answer

crontab -e   add   30 2        your command

User · Answer

As seen in the other answers  the syntax to use is     30 2        your command              hour   minute   Following the crontab standard format     ---------------- minute  0 - 59       ------------- hour  0 - 23          ---------- day of month  1 - 31             ------- month  1 - 12                ---- day of week  0 - 6   Sunday 0 or 7                                 command to be executed   It is also useful to use crontab guru to check crontab expressions   The expressions are added into crontab using crontab -e  Once you are done  save and exit  if you are using vi  typing  x does it   The good think of using this tool is that if you write an invalid command you are likely to get a message prompt on the form     crontab -e crontab  installing new crontab   tmp crontab tNt1NL crontab  7  bad minute errors in crontab file  can t install  Do you want to retry the same edit   y n     If you have further problems with crontab not running you can check Debugging crontab or Why is crontab not executing my PHP script

User · Answer

To edit   crontab -e  Add this command line   30 2        your command    Crontab Format      MIN HOUR DOM MON DOW CMD  Format Meanings and Allowed Value  MIN     Minute field    0 to 59 HOUR    Hour field      0 to 23 DOM     Day of Month    1-31 MON     Month field     1-12 DOW     Day Of Week     0-6 CMD     Command     Any command to be executed   Restart cron with latest data   service crond restart

User · Answer

30 2       wget https   www yoursite com your function name  The first part is for setting cron job and the next part to call your function

User · Answer

An easy way to write cron is to use the online cron generator It will generate the line for you  One thing to note is that if you wish to run it each day  not just weekdays  you need to highlight all the days

User · Answer

As an addition to the all above mentioned great answers  check the https   crontab guru  - a useful online resource for checking your crontab syntax    What you get is human readable representation of what you have specified    See the examples below    30 2        answer of this question   daily 59 23 31 12

[cron] Running a cron job at 2:30 AM everyday

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