KoguNavi

KoguNavi tool

Cron Expression Explainer

Paste a standard cron expression to see the parsed fields, plain-language explanation, and approximate next run times.

Local in browser

Runs in your browser for this tool.

Current tools are designed to run in your browser. As a general habit, avoid pasting passwords, private keys, or production secrets into any website.

Standard 5-field cron only. Next run times are approximate and use this browser's local timezone.

Explanation

Parsed cron fields, a plain-language explanation, and approximate next run times in the browser's local timezone.

What it helps with

  • Check a schedule before adding it to a job
  • Understand copied cron expressions
  • Debug common cron field mistakes

How to use

  1. Enter a standard 5-field cron expression.
  2. Review the parsed minute, hour, day, month, and weekday fields.
  3. Check the plain-language explanation and approximate next run times.

Examples

Every 5 minutes

Input

*/5 * * * *

Output

Runs every 5 minutes.

Weekday morning

Input

0 9 * * 1-5

Output

Runs at 09:00 Monday through Friday.

Monthly at 2:30

Input

30 2 1 * *

Output

Runs at 02:30 on the first day of each month.

Good to know

  • Standard 5-field cron only for v1.
  • No seconds or year fields in v1.
  • Timezone is the browser's local timezone.
  • Cron syntax may differ by platform.

FAQ

Does this support seconds or year fields?
No. Version 1 supports standard 5-field cron expressions only.
Which timezone is used?
Approximate next run times use the browser's local timezone.
Can cron syntax differ by platform?
Yes. This tool covers common 5-field cron syntax, but platforms may add their own extensions.

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