Cron builder and explainer

这些新工具的说明和输入字段目前使用英语。

Build or inspect five-field cron expressions with UTC examples.

How it works and limits

Numeric five-field cron: wildcards, lists, ranges and steps. No seconds, year, names, @macros, L, W, ? or # syntax. Both restricted day fields use OR; otherwise both must match. Next five UTC matches are searched within one year. No timezone/DST simulation or scheduling occurs. Verify your scheduler’s dialect before use.

Worked example

action: Build from fields
minute: */15
hour: 9-17
day: *
month: *
weekday: 1-5
source:

Inputs start empty. Load example fills them only when you choose it. Reset clears inputs and results.

This tool runs locally. When enabled, Google manages regional privacy choices. Google code can access this page and its inputs.

Cron builder and explainer

Source

Output

Cron builder and explainer

Source

Output

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