Development & Monitoring

Every 30 minutes

Regular health check. This page shows you how to implement this cron schedule with detailed examples and execution times.

Runs per day

Next executions

Expression length

Cron Expression

*/30 * * * *

Human Readable

Every 30 minutes

Field Breakdown

Field	Value	Meaning
Minute	*/30	When during the hour (0-59)
Hour	*	What hour of the day (0-23)
Day	*	What day of the month (1-31)
Month	*	What month (1-12)
Day of Week	*	What day of the week (0-7, 0=Sunday)

Next 10 Execution Times

2026-07-28 08:30:00 UTC

2026-07-28 09:00:00 UTC

2026-07-28 09:30:00 UTC

2026-07-28 10:00:00 UTC

2026-07-28 10:30:00 UTC

2026-07-28 11:00:00 UTC

2026-07-28 11:30:00 UTC

2026-07-28 12:00:00 UTC

2026-07-28 12:30:00 UTC

2026-07-28 13:00:00 UTC

Note: Times shown in UTC. Adjust for your local timezone as needed.

Implementation Examples

Linux Crontab

*/30 * * * * /path/to/your/script.sh

Add this line to your crontab file using crontab -e

Docker Compose

services:
  cron-job:
    image: your-app:latest
    command: |
      sh -c 'echo "*/30 * * * * /app/script.sh" | crontab - && crond -f'

Kubernetes CronJob

apiVersion: batch/v1
kind: CronJob
metadata:
  name: every-30-minutes
spec:
  schedule: "*/30 * * * *"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: job
            image: your-app:latest
            command: ["/app/script.sh"]
          restartPolicy: OnFailure

GitHub Actions

name: Every 30 minutes
on:
  schedule:
    - cron: '*/30 * * * *'
jobs:
  run:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Run task
        run: ./script.sh