Cron Expression Parser – Decode Cron Syntax to Plain English Free
Decode any cron expression into plain English. See a full field breakdown and the next 8 scheduled run times. Free cron parser online.
Fields: minute · hour · day-of-month · month · day-of-week
Quick examples:
Meaning:
at 9:00, on from Monday to Friday
Field breakdown
0099*every day*every month1-5from Monday to FridayNext 8 scheduled runs:
- 1.6/11/2026, 9:00:00 AM
- 2.6/12/2026, 9:00:00 AM
- 3.6/15/2026, 9:00:00 AM
- 4.6/16/2026, 9:00:00 AM
- 5.6/17/2026, 9:00:00 AM
- 6.6/18/2026, 9:00:00 AM
- 7.6/19/2026, 9:00:00 AM
- 8.6/22/2026, 9:00:00 AM
Frequently Asked Questions
It takes a cron expression like '0 9 * * 1-5' and explains it in plain English — for example 'at 09:00, from Monday to Friday'. It also shows the next scheduled run times.
Standard 5-field cron syntax: minute (0–59), hour (0–23), day-of-month (1–31), month (1–12), day-of-week (0–6, Sunday=0). Supports *, */n, ranges (a-b), and lists (a,b,c).
It calculates and displays the next 8 scheduled execution times from your current local time.
This tool focuses on standard 5-field cron syntax. Use the quick examples for the most common schedules.
Yes, fully free and runs entirely in your browser — no data is sent to any server.
What is Cron Expression Parser – Decode Cron Expressions Free Online?
A cron expression parser takes any cron expression and explains it in plain English — showing what each field means, a human-readable description of the schedule, and the next several scheduled run times. This is invaluable when reviewing inherited cron jobs, debugging unexpected schedules, or learning cron syntax for the first time.
How to Use Cron Expression Parser – Decode Cron Expressions Free Online
- 1Paste or type a cron expression (e.g., '*/15 9-17 * * 1-5').
- 2View the plain English description instantly.
- 3Review the field-by-field breakdown showing what each position means.
- 4Check the next 8 scheduled run times to confirm the schedule is correct.
- 5Copy the description for documentation purposes.
Key Features
- ✓Instant plain English translation of any cron expression
- ✓Field-by-field breakdown (minute, hour, day, month, weekday)
- ✓Next 8 scheduled run times
- ✓Supports special characters: *, /, -, ,
- ✓Supports common predefined schedules: @hourly, @daily, @weekly
Benefits
- →Understand complex cron expressions without manual calculation
- →Verify existing cron jobs run on the expected schedule
- →Document cron schedules with human-readable descriptions
- →Debug schedule issues in CI/CD pipelines and task runners
Why Use Irreva for Cron Expression Parser – Decode Cron Expressions Free Online?
Frequently Asked Questions
What does '*/15 9-17 * * 1-5' mean?
'*/15 9-17 * * 1-5' runs every 15 minutes between 9 AM and 5 PM, Monday through Friday. The * / 15 means every 15 minutes, 9-17 means hours 9 through 17, and 1-5 means weekdays Monday to Friday.
What are @hourly and @daily shorthand schedules?
@hourly = '0 * * * *' (every hour at minute 0), @daily = '0 0 * * *' (midnight every day), @weekly = '0 0 * * 0' (midnight every Sunday), @monthly = '0 0 1 * *' (midnight on the 1st of each month).
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