All tools
Date & time

Cron Parser

Translate common cron schedules into plain English. Everything happens on this device.

Processed locally
Tip: press Ctrl/⌘ + Enter
Your input stays private

This tool runs entirely in your browser. DevCalc does not send or store the content you enter.

How to use Cron Parser

  1. Enter a traditional five-field cron expression.
  2. Run the parser for a plain-English description.
  3. Confirm the result with the scheduler used in production.

Example and important notes

0 9 * * 1-5 represents 09:00 on weekdays in common five-field cron implementations.

  • Cron dialects differ between platforms.
  • Timezone and daylight-saving rules affect real execution times.

Frequently asked questions

Does cron include seconds?

Traditional cron uses five fields; some schedulers add a leading seconds field.

Which timezone is used?

That depends on the host or scheduler configuration.