Cron Expression Parser

Parse and generate Cron expressions. Understand when your scheduled tasks will run.

Description: 每天午夜执行

Field Reference

Minute
Range: 0-59
Ex: 0, 30, */5
Hour
Range: 0-23
Ex: 0, 12, */2
Day
Range: 1-31
Ex: 1, 15, *
Month
Range: 1-12
Ex: 1, 6, *
Weekday
Range: 0-6
Ex: 0, 1-5, *

Common Presets

Cron Expression Guide

* (Asterisk): 匹配任意值

, (Comma): 列出多个值,如 1,3,5

- (Hyphen): 范围,如 1-5

/ (Slash): 步长,如 */5 表示每5个单位

Weekday: 0=周日, 1=周一, ..., 6=周六

Month: 1=一月, ..., 12=十二月