Cron expression for every week monday at 9:30 AM

Use following cron expression:

30 9 * * MON

It will run  every Monday at 9:30 AM.

Reference: https://crontab.guru/#30_9_*_*_MON

Following are the explanation of cron expression:

 => * * * * *  cron expression
 => │ │ │ │ │
 => │ │ │ │ │
 => │ │ │ │ └───── day of week (0 - 6) (0 to 6 are Sunday to Saturday, or use names; 7 is Sunday, the same as 0)
 => │ │ │ └────────── month (1 - 12)
 => │ │ └─────────────── day of month (1 - 31)
 => │ └──────────────────── hour (0 - 23)
 => └───────────────────────── minute (0 - 59)

So, according to above cron expression to execute every Monday at 9:30 AM will be

30 9 * * 1

Azure webjobs uses NCRONTAB expressions and we can use following reference for this:

• https://docs.microsoft.com/en-us/azure/azure-functions/functions-bindings-timer
• https://github.com/atifaziz/NCrontab

5 part expression:

* * * * *
- - - - -
| | | | |
| | | | +----- day of week (0 - 6) (Sunday=0)
| | | +------- month (1 - 12)
| | +--------- day of month (1 - 31)
| +----------- hour (0 - 23)
+------------- min (0 - 59)

6 part expression:

* * * * * *
- - - - - -
| | | | | |
| | | | | +--- day of week (0 - 6) (Sunday=0)
| | | | +----- month (1 - 12)
| | | +------- day of month (1 - 31)
| | +--------- hour (0 - 23)
| +----------- min (0 - 59)
+------------- sec (0 - 59)

So you can use following:

30 9 * * 1

OR

0 30 9 * * 1