CronKit

0 * * * * explained

Every hour

Every hour
Runs once an hour, at the top of every hour. · 5-field cron

Next 5 runs (UTC)

#Run time (UTC)When
1Fri, Jun 19, 2026, 15:00:00 UTCin 13 min
2Fri, Jun 19, 2026, 16:00:00 UTCin 1h 13m
3Fri, Jun 19, 2026, 17:00:00 UTCin 2h 13m
4Fri, Jun 19, 2026, 18:00:00 UTCin 3h 13m
5Fri, Jun 19, 2026, 19:00:00 UTCin 4h 13m

Try it in your timezone

0 * * * *
Get this as JSON (developer API)
curl "https://cron.wrapper-agency.com/api/v1/cron?expr=0%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
Minute0exactly 0
Hour*every value
Day of month*every value
Month*every value
Day of week*every value

Related schedules

* * * * *
Every minute
*/5 * * * *
Every 5 minutes
*/10 * * * *
Every 10 minutes
*/15 * * * *
Every 15 minutes
*/30 * * * *
Every 30 minutes
0 */2 * * *
Every 2 hours

FAQ

Is "0 * * * *" a valid cron expression?
Yes — it parses as a standard 5-field cron expression: Every hour.
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.