Cron Test Case Runner

Paste + and - ISO timestamps to regression-test a standard five-field cron schedule locally.

Cron expressionUTC test cases — + should match, - should not match

ReadyUseful for regression-testing schedule assumptions. Timestamps are evaluated in UTC at minute precision.

How to use this Cron Test Case Runner

Run should-match and should-not-match UTC date test cases against one cron expression. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.