Cron Expression Humanizer

Convertir les expressions Cron en descriptions lisibles par l'homme et prédire les temps d'exécution suivants

Choose between 5-field standard format or 6-field extended format with seconds
Statut:
Valide
Load a random sample cron expression to test
Clear the cron expression input and results

Expression cron

Format à 5 champs (de gauche à droite):

Minute:0-59
Heure:0-23
Jour de mois:1-31
Mois:1-12
Jour de la semaine:0-7 (0 et 7 = dimanche)

Description humaine

La description lisible par l'homme apparaîtra ici ...

Guide d'expression Cron

Caractères spéciaux

* - Toute valeur (wildcard)
? - Aucune valeur spécifique (champs de jour uniquement)
- - Plage de valeurs (par exemple, 1-5)
, - Liste des valeurs (par exemple, 1,3,5)
/ - Valeurs d'étape (par exemple, * / 2)

Exemples courants

0 9 * * 1-5 - En semaine à 9 h
30 14 1 * * - 1er du mois à 14h30
0 * / 6 * * * - Toutes les 6 heures
0 0 * * 0 - Tous les dimanches à minuit

Cron Expression Humanizer - Cron Job Scheduler Tool

Cron expressions define schedules using compact syntax. This page translates cron into human‑readable text and helps you validate when jobs will run, including edge cases across timezones.

What is a cron expression?

A standard 5‑field cron uses minutes, hours, day of month, month, and day of week. Extended formats add seconds or year. Wildcards, ranges, lists, and step values control frequency—for example, 0 0 * * 1 runs every Monday at midnight.

How humanization works

The tool parses your expression, expands fields into actual run times, and renders a friendly description. It highlights conflicts, shows upcoming run instances, and can simulate different timezones so you see the real behavior in production.

About the Cron Humanizer

Use it to review schedules during code review, communicate timing to non‑technical stakeholders, and ensure that daylight saving transitions won’t break expectations.

Readable schedules reduce operational toil. Document intent alongside expressions and verify edge cases before deploying.