CronKit

*/20 * * * * explained

Every 20 minutes

Every 20 minutes
The cron expression */20 * * * *. · 5-field cron

Next 5 runs (UTC)

#Run time (UTC)When
1Fri, Sep 18, 2026, 07:00:00 UTCin 4 min
2Fri, Sep 18, 2026, 07:20:00 UTCin 24 min
3Fri, Sep 18, 2026, 07:40:00 UTCin 44 min
4Fri, Sep 18, 2026, 08:00:00 UTCin 1h 4m
5Fri, Sep 18, 2026, 08:20:00 UTCin 1h 24m

Try it in your timezone

*/20 * * * *
Get this as JSON (developer API)
curl "https://cron.wrapper-agency.com/api/v1/cron?expr=*%2F20%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.

How to read this expression

FieldValueMeaning
Minute*/20every 20 step
Hour*every value
Day of month*every value
Month*every value
Day of week*every value

Related schedules

0 0 1 */3 *
Quarterly (1st, every 3 months)
0 8 1-7 * 1
Day 1–7 and on Monday at 8 AM

FAQ

Is "*/20 * * * *" a valid cron expression?
Yes — it parses as a standard 5-field cron expression: Every 20 minutes.
How do I use it?
Paste it into your crontab, CI scheduler, or job runner. Need a different schedule? Edit the fields in the builder above or browse all common cron expressions.

Looking for a phrase instead? See every minute, every 5 minutes, every 10 minutes, every 15 minutes.