Add and Subtract Days

Add or subtract days from a date and get the new date

Frequently asked questions

Can I add or subtract months?▼

This tool only works with days. To add months, use multiples of 30 or 31 days, or a more complete calendar tool.

Does it consider leap years?▼

Yes. The calculation correctly considers leap years and the number of days in each month.

Customizable panel with clocks from different time zones

See how much of the day has passed in real time, with a clock and progress bar in your time zone

Build your daily schedule in time blocks. Saves in the browser and exports PNG.

Plan your day in 30‑minute slices with three priorities and a Brain dump. Saves in the browser and exports PNG.

Calculate how many days are between two dates

Calculate business days between two dates considering Brazilian national holidays