Cron Expression 0 0 * * * Meaning Midnight Every Day (2026)
Cron expression 0 0 * * * means At 12:00 AM.
Cron expression 0 0 * * * means midnight every day. This 2026 explainer answers that exact query language and covers timezone, load, and reliability considerations.
Cron Expression
Common use cases
- Daily boundary resets for quotas and counters
- Midnight report generation and data snapshots
- Nightly housekeeping and archival jobs
- Start-of-day billing and reconciliation triggers
How to use this cron schedule
If your query is "cron expression 0 0 * * * meaning midnight every day," the direct answer is yes: this expression runs once per day at 12:00 AM server time. Field by field, it is minute zero, hour zero, every day of month, every month, and every weekday. In 2026, this remains one of the most used cron schedules because midnight is an easy operational boundary for reporting, cleanup, and counter resets. It is also simple to communicate across teams because everyone understands what a day boundary run is supposed to do.
Most production mistakes with this schedule come from timezone assumptions and midnight congestion. Linux cron often follows host timezone, while CI and managed schedulers may run in UTC by default. Validate next-run timestamps before rollout and write expected local timing in your docs. Also avoid putting every heavy task at exactly 00:00. Keep boundary-critical jobs at midnight and stagger heavier processing to 1 AM or 2 AM to reduce lock contention, queue spikes, and storage hotspots during daily turnover.
For dependable execution in 2026, instrument this schedule with start and completion logs, runtime metrics, and last-success checks visible to operators. Alert on repeated misses, not isolated variance. Keep outputs idempotent so reruns are safe after outages or partial failures. When requirements change, create explicit new cron entries instead of burying time logic in application code. Use this page as the exact reference for `0 0 * * *` when search intent is midnight every day, then follow related pages for nearby daily alternatives.
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 * * * meaning midnight every day (2026)
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 * * * meaning midnight every day (2026)"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 * * * meaning midnight every day (2026)?
The cron expression is 0 0 * * *. Cron expression 0 0 * * * means midnight every day. This 2026 explainer answers that exact query language and covers timezone, load, and reliability considerations.
How do I schedule a cron job to run expression 0 0 * * * meaning midnight every day (2026) 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 * * * meaning midnight every day (2026). Save and exit; the cron daemon picks up the change immediately.
What does the cron expression "0 0 * * *" mean?
Cron expression 0 0 * * * means midnight every day. This 2026 explainer answers that exact query language and covers timezone, load, and reliability considerations.
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.