Age
Duration
Add / Subtract
Working days
Epoch
Cron
100% client-side · by Ajay Kakkar
About this tool
Free online date and time tools — age calculator, duration between dates, add/subtract days, working-days counter, Unix epoch ↔ date converter, and a human-readable cron expression parser. 100% private, browser-based, no signup.
- Age calculator
- Duration between dates
- Add/subtract days
- Working days
- Epoch converter
- Cron parser