Cron Expression Parser

Paste any cron expression to instantly see a human-readable description and the next 10 scheduled run times.

0
Minute
0
Hour
*
Day (month)
*
Month
*
Day (week)

Cron Syntax Reference

FieldValuesSpecial chars
Minute0–59* / , -
Hour0–23* / , -
Day of month1–31* / , -
Month1–12* / , -
Day of week0–6 (Sun=0)* / , -

Common Presets

* * * * * — Every minute

0 * * * * — Every hour at :00

0 0 * * * — Daily at midnight UTC

0 0 * * 0 — Every Sunday at midnight

*/5 * * * * — Every 5 minutes

0 9-17 * * 1-5 — Hourly 9am–5pm, Mon–Fri

API Example

## Parse cron expression
curl -X POST https://apitoolkit.pro/api/v1/cron \
  -H "X-Api-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"expression":"0 9 * * 1-5","count":5}'

## JavaScript
const res = await fetch('https://apitoolkit.pro/api/v1/cron', {
  method: 'POST',
  headers: { 'X-Api-Key': 'YOUR_API_KEY', 'Content-Type': 'application/json' },
  body: JSON.stringify({ expression: '*/15 * * * *', count: 10 })
});
const { runs } = await res.json();
// runs: ["2024-01-01T00:00:00.000Z", ...]

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