Cron Reference

Cron Every Wednesday at 9 AM

Cron expression 0 9 * * 3 means At 9:00 AM, on Wednesday.

Cron expression to run every Wednesday at 9 AM: 0 9 * * 3. Mid-week scheduling — great for sprint reviews, digest emails, and halfway-point automation.

Cron Expression

0 9 * * 3
0Minute
9Hour
*Day
*Month
3Weekday

Common use cases

  • Mid-sprint status emails
  • Wednesday digest newsletters
  • Halfway-point reminders and summaries

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Platform usage examples

Linux / Unix — crontab
# Edit your crontab
crontab -e

# Add this line to run every wednesday at 9 am
0 9 * * 3 /usr/bin/php /var/www/html/script.php

# Or run a shell script
0 9 * * 3 /home/user/scripts/job.sh >> /var/log/job.log 2>&1
GitHub Actions
# .github/workflows/scheduled.yml
name: Scheduled Job

on:
  schedule:
    - cron: '0 9 * * 3'

jobs:
  run:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Run job
        run: echo "Running every wednesday at 9 am"
Kubernetes CronJob
apiVersion: batch/v1
kind: CronJob
metadata:
  name: my-scheduled-job
spec:
  schedule: "0 9 * * 3"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: job
            image: my-image:latest
          restartPolicy: OnFailure

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Frequently asked questions

What is the cron expression for every wednesday at 9 am?

The cron expression is 0 9 * * 3. Cron expression to run every Wednesday at 9 AM: 0 9 * * 3. Mid-week scheduling — great for sprint reviews, digest emails, and halfway-point automation.

How do I schedule a cron job to run every wednesday at 9 am in Linux?

Open your crontab with "crontab -e" and add a new line: 0 9 * * 3 /path/to/your/script.sh — this schedules your script to run every wednesday at 9 am. Save and exit; the cron daemon picks up the change immediately.

What does the cron expression "0 9 * * 3" mean?

Cron expression to run every Wednesday at 9 AM: 0 9 * * 3. Mid-week scheduling — great for sprint reviews, digest emails, and halfway-point automation.

Can I use "0 9 * * 3" in GitHub Actions?

Yes. In your workflow YAML, set the schedule trigger: on: schedule: - cron: '0 9 * * 3'. GitHub Actions uses standard 5-field Unix cron syntax, so this expression works as-is.

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