Cron-Ausdruck-Parser
Cron-Ausdrücke analysieren, validieren und erklären. Nächste geplante Ausführungen anzeigen.
Funktionen
[AUTO_TRANSLATED:de] Parse Expressions
[AUTO_TRANSLATED:de] Understand complex cron syntax instantly
[AUTO_TRANSLATED:de] Preview Schedule
[AUTO_TRANSLATED:de] See upcoming execution times
[AUTO_TRANSLATED:de] Validate Syntax
[AUTO_TRANSLATED:de] Catch errors before deployment
[AUTO_TRANSLATED:de] Common Presets
[AUTO_TRANSLATED:de] Quick access to common schedules
Cron Expression Syntax
| Field | Values | Special Characters |
|---|---|---|
| Minute | 0-59 | * , - / |
| Hour | 0-23 | * , - / |
| Day of Month | 1-31 | * , - / |
| Month | 1-12 | * , - / |
| Day of Week | 0-6 (Sun-Sat) | * , - / |
Special Characters
* (Asterisk)
Matches all values. For example, * in the hour field means "every hour".
, (Comma)
Specifies a list. For example, 1,3,5 in day-of-week means Monday, Wednesday, and Friday.
- (Hyphen)
Specifies a range. For example, 1-5 in day-of-week means Monday through Friday.
/ (Slash)
Specifies increments. For example, */15 in minutes means "every 15 minutes".
FAQ
What is a cron expression?
A cron expression is a string of five fields that define when a scheduled task should run. It's used in Unix-like operating systems and many scheduling systems.
What timezone does cron use?
Standard cron uses the system's local timezone. This tool shows next runs in your browser's timezone. In production, always verify the timezone setting of your cron daemon.
Does this support seconds or years?
This tool supports standard 5-field cron expressions (minute, hour, day of month, month, day of week). Some systems like Quartz use 6-7 fields including seconds and years.