CronKit

0 0 1 1 * explained

At 12:00 AM, on day 1 of the month, only in January

At 12:00 AM, on day 1 of the month, only in January
Runs once a year at midnight on New Year's Day. · 5-field cron

Next 5 runs (UTC)

#Run time (UTC)When
1Fri, Jan 1, 2027, 00:00:00 UTCin 148d 22h
2Sat, Jan 1, 2028, 00:00:00 UTCin 513d 22h
3Mon, Jan 1, 2029, 00:00:00 UTCin 879d 22h
4Tue, Jan 1, 2030, 00:00:00 UTCin 1244d 22h
5Wed, Jan 1, 2031, 00:00:00 UTCin 1609d 22h

Try it in your timezone

0 0 1 1 *
Get this as JSON (developer API)
curl "https://cron.wrapper-agency.com/api/v1/cron?expr=0%200%201%201%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
Hour0exactly 0
Day of month1exactly 1
Month1exactly 1
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 * * * *
Every hour

FAQ

Is "0 0 1 1 *" a valid cron expression?
Yes — it parses as a standard 5-field cron expression: At 12:00 AM, on day 1 of the month, only in January.
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.