CronSpark

Cron Expression Generator

Cron Expression Generator

Build and understand cron expressions with ease

Build Your Expression

0-59

0-23

1-31

1-12

0-6

Common Presets

Generated Expression

0 * * * *

Runs at minute 0 of every hour.

Next 5 Scheduled Runs

1Wed, Jan 21, 2026, 09:00 PM
2Wed, Jan 21, 2026, 10:00 PM
3Wed, Jan 21, 2026, 11:00 PM
4Thu, Jan 22, 2026, 12:00 AM
5Thu, Jan 22, 2026, 01:00 AM

Cron Field Reference

FieldValuesSpecial Characters
Minute0-59* , - /
Hour0-23* , - /
Day of Month1-31* , - /
Month1-12* , - /
Day of Week0-6 (Sun-Sat)* , - /

Special Characters

  • * - Any value
  • , - List separator (1,3,5)
  • - - Range (1-5)
  • / - Step values (*/5)

Examples

  • */15 - Every 15 units
  • 0-23/2 - Every 2nd hour
  • 1,15 - 1st and 15th
  • 1-5 - Monday to Friday

Uses remaining: 10

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Visual Builder

Build cron expressions visually without memorizing syntax. Use presets for common schedules.

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Human-Readable

Get plain English explanations for any cron expression. Understand what it does at a glance.

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Schedule Preview

See the next 5 scheduled run times to verify your cron expression works as expected.