TestedFully functional client-side cron parser

Cron Expression Parser

Inspect 5-field cron schedule strings and convert them into plain English schedule descriptions and next run timestamps.

Cron Expression String

5-Field Representation

Minute*/15

Hour0

Day (Month)1-5

Month*

Day (Week)*

Human-Readable Description

Every 15 minutes, at 00:00 AM, on day 1 through 5 of the month.

1. 2026-10-01 00:00:00 UTC

2. 2026-10-01 00:15:00 UTC

3. 2026-10-01 00:30:00 UTC

4. 2026-10-01 00:45:00 UTC

5. 2026-10-02 00:00:00 UTC