Cron Expression Generator
Build a cron expression, see what it means in plain English, and preview the next times it will run in any timezone. When it looks right, you can run it on Cronhost without touching a server.
Build your schedule field by field
Minute
Hour
Day of month
Month
Runs for every month value.
Day of week
Runs for every day of week value.
Valid cron expression
In plain English
At 12:00 AM, on day 1 of the month
Common schedules
| Field | Value | Meaning |
|---|---|---|
| Minute | 0 | at minute 0 |
| Hour | 0 | at hour 0 |
| Day of month | 1 | on the 1st |
| Month | * | every month |
| Day of week | * | every day of the week |
Next run times
- 1.2026-11-01T00:00:00.000Z
- 2.2026-12-01T00:00:00.000Z
- 3.2027-01-01T00:00:00.000Z
- 4.2027-02-01T00:00:00.000Z
- 5.2027-03-01T00:00:00.000Z
Run this schedule for real
Cronhost runs your cron schedule in the cloud and calls any URL you choose, with retries, timeouts, and a log of every run. No server to manage.
Run this schedule on Cronhost
Expression: 0 0 1 * *
Popular cron schedules
- Run a cron job every minute* * * * *
- Run a cron job every 2 minutes*/2 * * * *
- Run a cron job every 5 minutes*/5 * * * *
- Run a cron job every 10 minutes*/10 * * * *
- Run a cron job every 15 minutes*/15 * * * *
- Run a cron job every 30 minutes*/30 * * * *
- Run a cron job every hour0 * * * *
- Run a cron job every 2 hours0 */2 * * *
Cron syntax reference
A standard cron expression has five fields separated by spaces. Each field accepts a value, a range, a list, or a step. Read left to right:
| Field | Allowed values | Notes |
|---|---|---|
| Minute | 0-59 | Minute of the hour. |
| Hour | 0-23 | Hour of the day, 24-hour clock. |
| Day of month | 1-31 | Day of the month. |
| Month | 1-12 | Month of the year. |
| Day of week | 0-7 | Day of the week. 0 and 7 are both Sunday. |
Operators
| Symbol | Name | Example | Meaning |
|---|---|---|---|
| * | Any | * * * * * | Every minute. |
| */n | Step | */5 * * * * | Every 5 minutes. |
| a-b | Range | 0 9-17 * * * | Every hour from 9 AM to 5 PM. |
| a,b | List | 0 0 * * 1,4 | Midnight on Monday and Thursday. |