Cron Expression 0 0 * * * Midnight
Cron expression 0 0 * * * means At 12:00 AM.
Cron expression 0 0 * * * at midnight explained for 2026. Learn what each field means and when midnight is the right daily schedule for production systems.
Cron Expression
Common use cases
- Day-boundary resets for quotas and counters
- Nightly backup and cleanup jobs
- Daily report generation with clear date cutoffs
- Midnight archival and log rollover pipelines
How to use this cron schedule
Cron expression `0 0 * * *` at midnight means your job runs once per day at the exact start of a new calendar date. The minute field is zero, hour field is zero, and the remaining asterisks allow every day, every month, and every weekday. This makes it a natural default for daily boundaries where reports, quotas, and cleanup tasks should reset cleanly. In 2026, this schedule is still the first pattern many teams use for predictable nightly automation.
Midnight is not always the best slot, though. Many systems schedule multiple daily jobs at 12:00 AM, which can create congestion or longer queues right at rollover. If you notice resource contention, keep this expression for lightweight boundary logic and move heavier tasks to 1 AM or 2 AM. Separating these responsibilities improves reliability and makes failures easier to isolate. Always record timezone assumptions because midnight UTC is a different business moment than midnight local time.
For production use, add monitoring and retries so missed nightly runs surface quickly. A single failed midnight task can break next-day dashboards or billing logic if no one notices. Start by testing this expression in staging, verify next run timestamps, and confirm logs include explicit schedule identifiers. Then link the job to alerting channels used by ops and engineering. That way, midnight remains an operational advantage instead of a silent failure window.
Want to customize this schedule?
Open it in the visual builder to tweak the expression interactively.
Open in BuilderNeed to monitor this cron job?
Cronhub tracks your scheduled jobs and alerts you if they fail or run late.
Platform usage examples
# Edit your crontab
crontab -e
# Add this line to run expression 0 0 * * * midnight
0 0 * * * /usr/bin/php /var/www/html/script.php
# Or run a shell script
0 0 * * * /home/user/scripts/job.sh >> /var/log/job.log 2>&1# .github/workflows/scheduled.yml
name: Scheduled Job
on:
schedule:
- cron: '0 0 * * *'
jobs:
run:
runs-on: ubuntu-latest
steps:
- uses: actions/checkout@v4
- name: Run job
run: echo "Running expression 0 0 * * * midnight"apiVersion: batch/v1
kind: CronJob
metadata:
name: my-scheduled-job
spec:
schedule: "0 0 * * *"
jobTemplate:
spec:
template:
spec:
containers:
- name: job
image: my-image:latest
restartPolicy: OnFailureRelated developer tools
More free tools for engineering workflows that pair with scheduled jobs:
Frequently asked questions
What is the cron expression for expression 0 0 * * * midnight?
The cron expression is 0 0 * * *. Cron expression 0 0 * * * at midnight explained for 2026. Learn what each field means and when midnight is the right daily schedule for production systems.
How do I schedule a cron job to run expression 0 0 * * * midnight in Linux?
Open your crontab with "crontab -e" and add a new line: 0 0 * * * /path/to/your/script.sh — this schedules your script to run expression 0 0 * * * midnight. Save and exit; the cron daemon picks up the change immediately.
What does the cron expression "0 0 * * *" mean?
Cron expression 0 0 * * * at midnight explained for 2026. Learn what each field means and when midnight is the right daily schedule for production systems.
Can I use "0 0 * * *" in GitHub Actions?
Yes. In your workflow YAML, set the schedule trigger: on: schedule: - cron: '0 0 * * *'. GitHub Actions uses standard 5-field Unix cron syntax, so this expression works as-is.