Cron Next Run Calculator
Calculate the next 5 execution times for any cron expression. Verify your cron schedule is correct before deploying to production.
Built by Michael Lip
Frequently Asked Questions
How do I check when my cron job will run next?
Enter your cron expression and this tool computes the next 5 scheduled run times from the current moment, showing both UTC and your local timezone.
Why should I test my cron expression before deploying?
Cron syntax can be tricky. A misplaced asterisk can cause a job to run every minute instead of once a day. Testing with this calculator prevents accidental resource consumption and billing surprises.
How far ahead does the calculator look?
The calculator searches up to one year ahead to find the next 5 matching times. For expressions that run rarely (like once a year), it will still find the next occurrences.
Does the calculator account for my timezone?
The calculator shows times in both UTC and your local timezone. Note that actual cron daemons typically use the server's timezone, so verify which timezone your server uses.
How It Works
This tool runs entirely in your browser using vanilla JavaScript. No data is sent to any server. All conversions and calculations happen locally on your device, ensuring complete privacy.
EpochPilot uses the browser's built-in Intl.DateTimeFormat API and the IANA timezone database provided by your operating system. This means timezone conversions are always accurate, including Daylight Saving Time transitions.
Related Tools
Privacy
Everything runs locally in your browser. No timestamps, dates, or personal data are transmitted to any server. The source code is open on GitHub.
Contact
EpochPilot is built and maintained by Michael Lip. For questions or feedback, email [email protected].