Cron Expression Parser & Validator

Parse, validate, and explain standard 5-field cron expressions with human-readable descriptions and next execution times.

cron-parser

Parse, validate, and explain cron expressions in natural language.

Usage

What does this cron expression mean? [expression]
Parse and explain: [expression]
When does this cron run next? [expression]
Validate this cron: [expression]

Examples

Expression	Meaning
0 * * * *	Every hour, at minute 0
0 9 * * 1-5	Every weekday at 9am
*/15 * * * *	Every 15 minutes
0 0 1 * *	First day of every month at midnight
30 4 * * *	Every day at 4:30am

What it does

• Parse — Explains what a cron expression means in plain English
• Next run — Shows the next 5 execution times
• Validate — Checks if expression is valid
• Convert — Shows human-readable format and vice versa

Notes

• Supports standard 5-field cron (minute, hour, day, month, weekday)
• All standard special characters: *, ,, -, /
• Uses node-cron internally