datetime
Date Calculator Guide: Add/Subtract Days and Find Date Differences
Learn common date calculations for planning and how to use a Date Calculator accurately.
Calculator Loop Team
We build practical tools and guides for everyday decisions.
January 5, 2026
3 min de leitura
#Date#Time#Planning#Calculator
# Date Calculator Guide
Date math is surprisingly easy to get wrong month lengths vary, leap years exist, and different formats confuse people.
## Common tasks
- Find days between two dates
- Add days/weeks/months to a date
- Subtract days from a date
## How to avoid mistakes
- Use a date calculator for official/important deadlines
- Confirm the time zone if youre working internationally
Try it here: **/calculator/date-calculator**
Calculator Loop Team
We build practical tools and guides for everyday decisions.