CRON

Cron Parser

Parse cron expressions and preview next runs

Automation & DevOps
πŸ”’ 100% client-side β€” your data never leaves this page
English version/Chinese version
Page mode
Input

Quick CTA

Paste a cron expression and read the human-friendly explanation first; field breakdown and scenarios stay in Deep.

Output
Minuteβ€”
Hourβ€”
Day of Monthβ€”
Monthβ€”
Day of Weekβ€”
Next 5 RunsMatching schedule will appear here
πŸ”’ 100% client-side β€’ cron parser

Next step workflow

Build cron expressionsConvert run times by timezoneEstimate run interval gaps
Page reading mode

Quick keeps the summary, direct answers, and next steps so you can validate fit and get a result faster.

About this tool

This tool parses standard 5-field cron expressions and explains each field selection, including ranges, steps, and lists. It also computes the next five matching run times in your chosen timezone, so you can validate production schedules before deployment. Use it to review automation windows, reduce misfires, and verify business-hour only jobs. Everything runs in-browser with no external services.

Direct Answers

Can this explain when a 5-field cron expression runs next?

Yes. It helps you inspect field meaning and upcoming run times without mentally simulating the schedule.

Does timezone choice matter when reading cron output?

Absolutely. The same cron expression can feel correct or wrong depending on which timezone the job really uses.