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Cron Expression Parser

Parse and explain cron schedule expressions.

Cron Expression

Format: minute hour day-of-month month day-of-week

How to use

Type a cron expression and click Parse. The tool explains each field in plain English and shows the next 5 scheduled run times.

# minute hour day month weekday

* * * * *

* — any value

*/15 — every 15 steps

1,15,30 — list of values

9-17 — a range

Common mistake

* 2 * * * runs every minute of the 2am hour. To run once at 2am, use 0 2 * * *. Always verify with the "Next 5 Runs" output before deploying.

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Cron Expressions Made Simple: Schedule Anything in 5 Fields

Cron syntax is terse but powerful. Here's how each of the five fields works, with practical examples covering the most common scheduling patterns.

Browse all guides →

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