Date & TimeInstant workflow

Cron Expression Parser

Turn cron expressions into plain English, preview upcoming runs, and catch schedule mistakes before they hit production.

AI-Readable Summary

Parse 5-field cron expressions, explain what they mean, and preview the next runs.

Supports classic 5-field cron syntax: minute, hour, day-of-month, month, day-of-week. Month and weekday names likeJAN andMON-FRI also work.
Valid cron
Schedule summary*/15 * * * *

Runs every 15 minutes.

Minute

*/15

every 15 minutes

Hour

*

every hour

Day of month

*

every day of the month

Month

*

every month

Day of week

*

every day of the week

Step syntax in the minute field runs on a repeating interval across every hour.
Upcoming previews use your local timezone: UTC.

Next runs

1

Apr 11, 2026, 12:45 AM UTC

2

Apr 11, 2026, 01:00 AM UTC

3

Apr 11, 2026, 01:15 AM UTC

4

Apr 11, 2026, 01:30 AM UTC

5

Apr 11, 2026, 01:45 AM UTC

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Human-readable scheduleNext: Apr 11, 2026, 12:45 AM UTC

What is this tool?

Cron Expression Parser helps developers translate cron expressions into plain English and validate schedules before deployment. It is especially useful for reviewing background jobs, debugging scheduler issues, sanity-checking recurring automation.

How to use it

Paste or enter your cron parser input.
Adjust the mode, options, or sample values for the exact workflow you need.
Review the output, copy the result, and move back into your app or request.

Example

Input
*/15 * * * *
Output
Every 15 minutes

The parser converts the expression into a plain-language schedule and previews the next runs.

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Frequently Asked Questions

Cron Expression Parser helps developers translate cron expressions into plain English and validate schedules before deployment. It is built for common workflows like reviewing background jobs and debugging scheduler issues.

Use it when you need a fast answer while debugging, building payloads, or validating output. Typical workflows include reviewing background jobs, debugging scheduler issues, sanity-checking recurring automation.

Yes. The tool is designed for fast, lightweight workflows without sign-up or heavy UI. Most processing happens instantly in the browser.