Cron patterns

Syntax of cron pattern;

// ┌──────────────── (optional) second (0 - 59)
// │ ┌────────────── minute (0 - 59)
// │ │ ┌──────────── hour (0 - 23)
// │ │ │ ┌────────── day of month (1 - 31)
// │ │ │ │ ┌──────── month (1 - 12, JAN-DEC)
// │ │ │ │ │ ┌────── day of week (0 - 6, SUN-Mon) 
// │ │ │ │ │ │       (0 to 6 are Sunday to Saturday; 7 is Sunday, the same as 0)
// │ │ │ │ │ │
// * * * * * *

Quick examples

This will runs every minute

* * * * *

This will runs every Sunday

0 0 0 * * 7

Every 30 minutes from 9 a.m. to 5 p.m.

0 */30 9-17 * * *

From Monday to Friday at 11:30

00 30 11 * * 1-5

Every 10 minutes

0 */10 * * * *

At midnight

00 00 00 * * *

It is also possible to use the following "nicknames" as pattern.

Nickname	Description
@yearly	Run once a year, ie. "0 0 1 1 *".
@annually	Run once a year, ie. "0 0 1 1 *".
@monthly	Run once a month, ie. "0 0 1 * *".
@weekly	Run once a week, ie. "0 0 * * 0".
@daily	Run once a day, ie. "0 0 * * *".
@hourly	Run once an hour, ie. "0 * * * *".

A convenient website for generating cron patterns #1

A convenient website for generating cron patterns #2

A convenient website for generating cron patterns #3

A convenient website for generating cron patterns #4

A cron pattern with an interval of less than 60 seconds cannot be created!

All patterns are executed in the UTC time zone