Paste a cron expression — read it in English and see when it runs next

Every page here explains one real schedule: the exact expression, what it means in plain words, the next few run times, and the edge cases people trip on. No signup, no guessing.

Schedule library

• Cron Expression: Business Hours — The cron expression to run a job hourly during business hours on weekdays is 0 9-17 * * 1-5. See ranges explained and preview the next runs.
• Cron Expression: Every 10 Minutes — The cron expression to run a job every 10 minutes is */10 * * * *. See it explained field by field and preview the next run times.
• Cron Expression: Every 15 Minutes — The cron expression to run a job every 15 minutes is */15 * * * *. Read it in plain English, see it explained field by field, and preview the next run times in your timezone.
• Cron Expression: Every 2 Hours — The cron expression to run a job every 2 hours is 0 */2 * * *. See it explained and preview the next run times.
• Cron Expression: Every 30 Minutes — The cron expression to run a job every 30 minutes is */30 * * * *. Read it in plain English and preview the next run times.
• Cron Expression: Every 5 Minutes — The cron expression to run a job every 5 minutes is */5 * * * *. Read it in plain English, see it field by field, and preview the next run times.
• Cron Expression: Every 6 Hours — The cron expression to run a job every 6 hours is 0 */6 * * *. See it explained and preview the next run times.
• Cron Expression: Every Day at Midnight — The cron expression to run a job daily at midnight is 0 0 * * *. It fires once a day at 00:00. See it explained field by field and preview the next runs in your timezone.
• Cron Expression: Every Hour — The cron expression to run a job every hour is 0 * * * *. It fires once at the top of each hour. See it explained, read it in English, and preview the next runs in your timezone.
• Cron Expression: Every Minute — The cron expression to run a job every minute is * * * * *. Here is what it means and when you should avoid it.
• Cron Expression: Every Monday — The cron expression to run a job every Monday at midnight is 0 0 * * 1. See the weekday field explained and preview the next runs.
• Cron Expression: Every Sunday at Midnight — The cron expression to run a job every Sunday at midnight is 0 0 * * 0. See the weekday field explained and preview the next runs.
• Cron Expression: Weekends Only — The cron expression to run a job on weekends (Saturday and Sunday) is 0 0 * * 6,0. See the weekday field explained and preview the next runs.
• Cron Expression: First of the Month — The cron expression to run a job on the first day of every month is 0 0 1 * *. See the day-of-month field explained and preview the next runs.
• Cron: Last Day of the Month — Standard cron cannot express the last day of the month directly. Here are the real recipes: a guarded 28-31 run, or the L syntax in Quartz.
• Cron Expression: Twice a Day — The cron expression to run a job twice a day at midnight and noon is 0 0,12 * * *. See it explained and preview the next runs.
• Cron Expression: Monday to Friday at 9am — The cron expression to run a job at 9am on weekdays is 0 9 * * 1-5. It runs Monday through Friday and skips the weekend. See it explained and preview the next runs.
• Cron Expression: Once a Year — The cron expression to run a job once a year on January 1st is 0 0 1 1 *, also written @yearly. See it explained and preview the next runs.