SnapSum

Cron Expression Parser

Understand and debug cron expressions with real-time parsing.

Minute

0

Hour

9

Day of Month

*

Month

*

Day of Week

1-5

Common Presets

Cron Expression Reference

SymbolMeaningExample
*Any value* * * * *
,List separator1,15
-Range1-5
/Step*/5

FAQ

What cron format does this use?

Standard 5-field cron: minute hour day-of-month month day-of-week.

Is my expression sent to a server?

No. Parsing happens entirely in your browser.