Validate five-field cron expressions, use common presets, and preview upcoming run times locally.
分 */15、時 9-17、日 *、月 *、曜日 1-5 に実行します。
Parse minute, hour, day, month, and weekday expressions.
Preview upcoming local run times and ISO timestamps.
Start from common schedules like hourly, monthly, and weekday jobs.
Supports lists, ranges, stars, and step syntax such as */15.
Uses your browser timezone so deployment assumptions are visible.
Schedule parsing happens locally without a backend request.
This tool supports standard five-field cron expressions with stars, lists, ranges, and step values.
No. The current parser uses minute-level five-field cron, which matches many Unix and CI schedules.
The preview uses your browser local timezone and also displays ISO timestamps.