Cron Previous Run Calculator

Look backward from a UTC reference time and list previous matching cron minutes locally.

Cron expression

Reference UTC

Runs

ReadySearches minute-by-minute in UTC with a bounded horizon; the daemon time zone on a real server may differ.

How to use this Cron Previous Run Calculator

Calculate previous matching UTC run times for a standard five-field Unix 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.