Cron Expression Generator & Explainer

Build a crontab schedule from plain controls and read it back in plain English.

Type a cron expression to get a plain-English description and the next run times, or build one with the presets. Standard 5-field crontab syntax.

In plain English
Next 5 runs (your local time)

Runs entirely in your browser — nothing you enter is sent to a server.

Free forever · No signup

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Cron syntax

Five fields: minute, hour, day-of-month, month, day-of-week. Supports *, ranges (1-5), steps (*/15) and lists (1,15,30). Next-run times are computed in your local timezone.

Heads up

Day-of-month and day-of-week together is an OR, not an AND — a classic production foot-gun.

Built by WeWorkWorldwide — a senior software team in Romania & Pakistan that ships deep technical work. Need this turned into something production-grade for your stack? Talk to our engineers →