CronKit

0 0 1 * * explained

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

At 12:00 AM, on day 1 of the month
Runs on the 1st of every month at 00:00. · 5-field cron

Next 5 runs (UTC)

#Run time (UTC)When
1Thu, Oct 1, 2026, 00:00:00 UTCin 10d 19h
2Sun, Nov 1, 2026, 00:00:00 UTCin 41d 19h
3Tue, Dec 1, 2026, 00:00:00 UTCin 71d 19h
4Fri, Jan 1, 2027, 00:00:00 UTCin 102d 19h
5Mon, Feb 1, 2027, 00:00:00 UTCin 133d 19h

Try it in your timezone

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

Related schedules

0 0 15 * *
15th of the month at midnight
0 0 L * *
Last day of the month

FAQ

Is "0 0 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.
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.