LibraTool logoLibraTool
⏰
☸️

Build Cron for Kubernetes CronJobs

Kubernetes CronJob resources use standard cron syntax. Build and explain the expression visually.

Prisijungimo nereikia
minute
(0-59)hour
(0-23)day
(1-31)month
(1-12)weekday
(0-6)

In plain English

At 09:00 on Mon, Tue, Wed, Thu, Fri.

Next 5 scheduled runs (your local time)
  • Thu, May 2809:00
  • Fri, May 2909:00
  • Mon, Jun 109:00
  • Tue, Jun 209:00
  • Wed, Jun 309:00

Common patterns

Compatible with standard Unix cron, GitHub Actions, Kubernetes CronJob, and most scheduling systems. Use * for “every”, */5 for “every 5”, 1-5 for ranges, 1,15 for specific values.

Kubernetes tips

☸️

K8s CronJobs use the same 5-field cron syntax. Paste your generated expression into your `spec.schedule` field.

💡

For periodic cleanup jobs, `0 3 * * *` (3am daily) is a popular choice — low-traffic window for most clusters.

🎯

Set `concurrencyPolicy: Forbid` if your job mustn't overlap with itself. Useful for jobs that take longer than the schedule interval.

Kaip tai veikia

1
Įveskite
Enter your data into the tool above. Everything stays local to your browser.
2
Apdorokite
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Atsisiųskite
Get your result instantly. Nothing is stored after you leave the page — complete privacy.

Kodėl naudoti mūsų?

✓Visiškai nemokamai — jokių paslėptų išlaidų, niekada
✓Nereikia paskyros, el. pašto ar prisijungimo
✓Failai niekada nepalieka jūsų įrenginio
✓Absoliučiai jokių failo dydžio apribojimų
✓Jokių vandens ženklų jokiame rezultate

Also check out…

🤖

Build Cron for GitHub Actions Workflows

GitHub Actions uses cron syntax for scheduled work

🐧

Build Cron Entries for Linux crontab

Build expressions for traditional Unix cron (cron,

🗄️

Schedule Database Maintenance Jobs

Schedule backup, vacuum, or analyze jobs with conf

🎓

Learn How Cron Expressions Work

Each tweak shows immediate plain-English explanati

Dažnai užduodami klausimai

Back to Cron Expression Builder