# Cron Translator

Explain any cron expression in plain English, see the next run times in any timezone, and catch the gotchas that make schedules misfire: day-of-month/day-of-week OR semantics, steps that do not divide evenly, impossible dates, and daylight-saving shifts.

**Not for:** Does not run, install, or manage scheduled jobs. Does not support Quartz extensions (L, W, #, ?) beyond detecting and reporting them.

## Surfaces

- HTML: `https://crontoenglish.com`
- Markdown: same URLs with `Accept: text/markdown` or `?format=md`
- JSON API: `https://crontoenglish.com/api/v1/explain`, `https://crontoenglish.com/api/v1/next-runs`, `https://crontoenglish.com/api/v1/build`
- OpenAPI: `https://crontoenglish.com/.well-known/openapi.json`
- MCP: `https://crontoenglish.com/api/mcp`

## Common schedules

- [`* * * * *`](https://crontoenglish.com/cron/every-minute) — Cron for every minute
- [`*/2 * * * *`](https://crontoenglish.com/cron/every-2-minutes) — Cron for every 2 minutes
- [`*/5 * * * *`](https://crontoenglish.com/cron/every-5-minutes) — Cron for every 5 minutes
- [`*/10 * * * *`](https://crontoenglish.com/cron/every-10-minutes) — Cron for every 10 minutes
- [`*/15 * * * *`](https://crontoenglish.com/cron/every-15-minutes) — Cron for every 15 minutes
- [`*/20 * * * *`](https://crontoenglish.com/cron/every-20-minutes) — Cron for every 20 minutes
- [`*/30 * * * *`](https://crontoenglish.com/cron/every-30-minutes) — Cron for every 30 minutes
- [`*/45 * * * *`](https://crontoenglish.com/cron/every-45-minutes) — Cron for every 45 minutes
- [`0 * * * *`](https://crontoenglish.com/cron/every-hour) — Cron for every hour
- [`0 */2 * * *`](https://crontoenglish.com/cron/every-2-hours) — Cron for every 2 hours
- [`0 */3 * * *`](https://crontoenglish.com/cron/every-3-hours) — Cron for every 3 hours
- [`0 */4 * * *`](https://crontoenglish.com/cron/every-4-hours) — Cron for every 4 hours
- [`0 */6 * * *`](https://crontoenglish.com/cron/every-6-hours) — Cron for every 6 hours
- [`0 */8 * * *`](https://crontoenglish.com/cron/every-8-hours) — Cron for every 8 hours
- [`0 */12 * * *`](https://crontoenglish.com/cron/every-12-hours) — Cron for every 12 hours
- [`0 */5 * * *`](https://crontoenglish.com/cron/every-5-hours) — Cron for every 5 hours
- [`0 0 * * *`](https://crontoenglish.com/cron/every-day-at-midnight) — Cron for every day at midnight
- [`0 12 * * *`](https://crontoenglish.com/cron/every-day-at-noon) — Cron for every day at noon
- [`0 9 * * *`](https://crontoenglish.com/cron/every-day-at-9am) — Cron for every day at 9am
- [`0 6 * * *`](https://crontoenglish.com/cron/every-day-at-6am) — Cron for every day at 6am
- [`0 17 * * *`](https://crontoenglish.com/cron/every-day-at-5pm) — Cron for every day at 5pm
- [`0 23 * * *`](https://crontoenglish.com/cron/every-day-at-11pm) — Cron for every day at 11pm
- [`0 0,12 * * *`](https://crontoenglish.com/cron/twice-a-day) — Cron for twice a day
- [`0 9 * * 1-5`](https://crontoenglish.com/cron/every-weekday-at-9am) — Cron for every weekday at 9am
- [`0 0 * * 1-5`](https://crontoenglish.com/cron/every-weekday) — Cron for every weekday
- [`0 9-17 * * 1-5`](https://crontoenglish.com/cron/business-hours-every-hour) — Cron for every hour during business hours
- [`*/15 9-17 * * 1-5`](https://crontoenglish.com/cron/every-15-minutes-during-business-hours) — Cron for every 15 minutes during business hours
- [`0 0 * * 0,6`](https://crontoenglish.com/cron/every-weekend) — Cron for every weekend day
- [`0 9 * * 1`](https://crontoenglish.com/cron/every-monday-at-9am) — Cron for every Monday at 9am
- [`0 17 * * 5`](https://crontoenglish.com/cron/every-friday-at-5pm) — Cron for every Friday at 5pm
- [`0 0 * * 0`](https://crontoenglish.com/cron/every-sunday-at-midnight) — Cron for every Sunday at midnight
- [`0 2 * * 6`](https://crontoenglish.com/cron/every-saturday-at-2am) — Cron for every Saturday at 2am
- [`0 0 1 * *`](https://crontoenglish.com/cron/first-of-the-month) — Cron for the first of every month
- [`0 0 15 * *`](https://crontoenglish.com/cron/fifteenth-of-the-month) — Cron for the 15th of every month
- [`0 0 28-31 * *`](https://crontoenglish.com/cron/last-day-of-the-month) — Cron for the last day of the month
- [`0 0 1 1,4,7,10 *`](https://crontoenglish.com/cron/every-quarter) — Cron for every quarter
- [`0 0 1 1 *`](https://crontoenglish.com/cron/every-year-on-january-1) — Cron for once a year on January 1
- [`0 9 1-7 * 1`](https://crontoenglish.com/cron/first-monday-of-the-month) — Cron for the first Monday of the month