Calendar · Date & Time
Date Calculator
Add or subtract time from a date, or count calendar and business days between two dates.
Result date
2026-07-28
How to use
- Choose add/subtract or days-between mode.
- Enter dates and an amount if needed. Use business days to skip weekends.
- Copy the resulting date or day count.
Features
- Add / subtract days, weeks, months, years
- Business days (Mon–Fri)
- Days between dates
- Runs in your browser. Dates stay on your device.
Privacy & how it works
This date and time tool runs in your browser. Dates and times you enter are not uploaded to ToolsWeb servers for this tool. Privacy Policy.
FAQ
Are results inclusive of both dates?expand_more
Days between is the signed difference of calendar dates (end − start). Same day returns 0. Business days exclude Saturday and Sunday but not public holidays.
Is this calculator free?expand_more
Yes. No signup required.
Are my numbers uploaded?expand_more
No. Calculations run in your browser. Inputs are not sent to ToolsWeb servers for this tool.
Is this professional advice?expand_more
No. Results are estimates for general information. See our Disclaimer for health, finance, and related tools.