CronKit

Cron expression to run every 30 minutes

To schedule a job to run every 30 minutes, use this cron expression:

*/30 * * * *
Every 30 minutes

Next 5 runs (UTC)

#Run time (UTC)When
1Sun, Aug 2, 2026, 21:00:00 UTCin 15s
2Sun, Aug 2, 2026, 21:30:00 UTCin 30 min
3Sun, Aug 2, 2026, 22:00:00 UTCin 1h
4Sun, Aug 2, 2026, 22:30:00 UTCin 1h 30m
5Sun, Aug 2, 2026, 23:00:00 UTCin 2h

Adjust it

*/30 * * * *
Get this as JSON (developer API)
curl "https://cron.wrapper-agency.com/api/v1/cron?expr=*%2F30%20*%20*%20*%20*&tz=UTC"

Free cron API — no key during beta. Parsing is standard 5-field (or 6-field with seconds) cron, computed with cron-parser.

Other common schedules

Run every minute
* * * * *
Run every 5 minutes
*/5 * * * *
Run every 10 minutes
*/10 * * * *
Run every 15 minutes
*/15 * * * *
Run every hour
0 * * * *
Run every 2 hours
0 */2 * * *

See the full breakdown on the */30 * * * * page.