Time search tool
cron parser
Paste a five-field Unix cron expression to get a plain-English explanation and upcoming run times in the timezone you choose.
Examples for this search
Parse */15 9-17 * * 1-5.
Catch six-field Quartz expressions.
Inspect named months and weekdays.
Toolvert parses minute, hour, day-of-month, month, and day-of-week fields, then scans upcoming minutes and formats matching run times in the selected IANA timezone.
What this cron expression generator does
Use this cron expression generator when you need to explain a scheduled job or check the next run times in a specific timezone. The first version targets standard five-field Unix cron.
Common use cases
- Check the next ten runs for a scheduled job.
- Explain a cron expression before changing production automation.
- Compare a UTC schedule with a customer timezone.
- Catch Quartz-only syntax before pasting it into a Unix cron field.
Accepted input formats
*/15 9-17 * * 1-5
0 9 * * MON-FRI
America/Los_Angeles, America/New_York, UTC
How it works
Toolvert parses minute, hour, day-of-month, month, and day-of-week fields, then scans upcoming minutes and formats matching run times in the selected IANA timezone.
Common mistakes
- Six-field Quartz expressions with seconds are not the same as five-field Unix cron.
- Day-of-week numbering differs across systems, so confirm whether 0 or 7 means Sunday.
- Timezone changes and daylight saving time can affect local run times.
Frequently asked questions
Does this support Quartz cron?
Not yet. It flags six-field expressions so you do not accidentally treat them as Unix cron.
How many future runs does it show?
It shows the next ten matching run times.
Does the cron parser run locally?
Yes. Parsing and next-run calculation happen in your browser.