What is Date Calculator?
Date Calculator answers practical planning questions such as “what date is 45 days from now?” or “what is 10 weekdays after this release date?”.
How to use
- Choose a starting date.
- Enter an amount and a unit.
- Toggle skip weekends when you need a weekday-only estimate.
Example
Use this sample to confirm what Date Calculator does before pasting your own data.
Input
2026-06-29 + 14 days
Output
2026-07-13, with optional weekend skipping for day calculations.
When to use it
Use Date Calculator for quick local checks, debugging, documentation prep, and one-off conversions where opening a full IDE or command-line workflow would be slower. For production-critical data, always review the output before committing or shipping it.
Frequently asked questions
How are months handled?
Month addition uses JavaScript Date behavior and clamps through the calendar naturally.
Does skip weekends exclude holidays?
No. It skips Saturdays and Sundays only.
Can I subtract time?
Yes. Choose Subtract instead of Add.