Standard POSIX / Crontab Syntax
30 * * * *
“Hourly at Half Past (30 * * * *)” — Executes at minute 30 of every single hour. (Her Saati Buçuk Geçe)
Live Interactive Crontab Translator & Evaluator
Cron Expression Translator & Next Run Schedule
Minute
0-59
Hour
0-23
Day (Month)
1-31
Month
1-12
Day (Week)
0-6 (Sun-Sat)
Human Readable Meaning:
Executes at minute 30 of every single hour.
Her saatin 30. dakikasında tetiklenir.
Quick Presets:
Next 5 Scheduled Executions
1.Sun, Sep 20, 00:30
2.Sun, Sep 20, 01:30
3.Sun, Sep 20, 02:30
4.Sun, Sep 20, 03:30
5.Sun, Sep 20, 04:30
Ready Crontab Line
30 * * * * /usr/bin/python3 /opt/scripts/backup.pyCrontab 5-Field Breakdown
30
Minute
30
*
Hour
Every hour (*)
*
Day (Month)
Every day (*)
*
Month
Every month (*)
*
Day (Week)
Every day (*)
Copy-Paste Integration Snippets
Linux (crontab -e)
30 * * * * /usr/bin/python3 /opt/scripts/backup.py >> /var/log/cron.log 2>&1GitHub Actions Workflow
on:
schedule:
- cron: '30 * * * *'Kubernetes (CronJob Spec)
apiVersion: batch/v1
kind: CronJob
metadata:
name: scheduled-task
spec:
schedule: "30 * * * *"
jobTemplate:
spec:
template:
spec:
containers:
- name: runner
image: alpine
restartPolicy: OnFailureOther Popular Cron Schedules
* * * * *(Her Dakika Başı)
*/2 * * * *(Her 2 Dakikada Bir)
*/3 * * * *(Her 3 Dakikada Bir)
*/5 * * * *(Her 5 Dakikada Bir)
*/10 * * * *(Her 10 Dakikada Bir)
*/15 * * * *(Her 15 Dakikada Bir (Çeyrek Saatte Bir))
*/20 * * * *(Her 20 Dakikada Bir)
*/30 * * * *(Her 30 Dakikada Bir (Yarım Saatte Bir))
*/45 * * * *(Her 45 Dakikada Bir)
Frequently Asked Questions
Common Questions About 30 * * * * to Cron Syntax
Everything you need to know regarding specifications, syntax, and security best practices.
Executes at minute 30 of every single hour. In Turkish: Her saatin 30. dakikasında tetiklenir.