Home โบ Convert โบ Crontab to Jenkins
Convert Crontab cron to Jenkins
Crontab expressions look similar to Jenkins, but the differences matter. Paste yours below; the result is checked against the original run times.
What changes from Crontab to Jenkins
- Jenkins
His optional, but using it (for exampleH/15instead of*/15) spreads load across your jobs.
Worked examples
| Schedule | Crontab | Jenkins |
|---|---|---|
| every minute | * * * * * | * * * * * |
| every 5 minutes | */5 * * * * | */5 * * * * |
| every 10 minutes | */10 * * * * | */10 * * * * |
| every 15 minutes | */15 * * * * | */15 * * * * |
| every 30 minutes | */30 * * * * | */30 * * * * |
| every hour | 0 * * * * | 0 * * * * |
| every 2 hours | 0 */2 * * * | 0 */2 * * * |
| every 3 hours | 0 */3 * * * | 0 */3 * * * |
Field layout and time zones
minute (0-59), hour (0-23), day-of-month (1-31), month (1-12), day-of-week (0-7, 0 and 7 = Sunday).
Cron runs in the server's local time zone. Check it with the date command, or put CRON_TZ=Asia/Kolkata above the line on cronie-based systems.
minute (0-59), hour (0-23), day-of-month (1-31), month (1-12), day-of-week (0-7, 0 and 7 = Sunday).
Jenkins uses the controller's time zone. Put TZ=Asia/Kolkata on its own first line of the trigger to override it.
Go the other way
Convert Jenkins to Crontab, or open the Crontab builder or the Jenkins builder.
Frequently asked questions
How do I convert a Crontab cron expression to Jenkins?
Paste it into the converter above with Crontab as the source and Jenkins as the target. For example, * * * * * becomes * * * * *.
Is every Crontab expression convertible to Jenkins?
Yes for the common schedules we tested (27 of 27), though unusual expressions with special characters might need manual review.
Does Jenkins run in the same time zone as Crontab?
Not necessarily. Conversion changes the syntax, not the time zone. Check where each system evaluates the schedule before you rely on the same clock times.