Cron Mate

Cron expressions, decoded.

Type a cron expression, get a plain-English explanation and the next five run times. No accounts, no friction — just answers for the syntax developers keep googling.

Format: minute hour day month weekday

In plain English

At hour 9, 10, 11, …, minute every 15, on weekdays 1, 2, 3, ….

Next 5 runs (your timezone)

  • Mon, May 18, 2026, 09:00 AM
  • Mon, May 18, 2026, 09:15 AM
  • Mon, May 18, 2026, 09:30 AM
  • Mon, May 18, 2026, 09:45 AM
  • Mon, May 18, 2026, 10:00 AM

Standard 5-field

Minute, hour, day-of-month, month, day-of-week — the syntax used by cron, GitHub Actions schedules, Vercel cron jobs, and most schedulers.

Ranges & steps

Supports *, a-b, a,b,c, and */n. Month and weekday aliases work (JAN, MON, etc.).

Runs in your browser

No network calls, no logging, no accounts. The expression never leaves your machine — useful when you're debugging a production schedule.