Date Calculator
Add or subtract time from a date, or calculate the difference between two dates. A date calculator helps you add or subtract time from a date and measure the difference between two dates. It’s useful for planning deadlines, schedules, and timelines.
Inputs
Exclude weekends
Business days = Monday–Friday.
Difference
0 days
Positive means the “to” date is after the “from” date.
How to use it
- Pick a mode: date difference or add/subtract.
- Enter the relevant date(s).
- Optionally exclude weekends for a basic business-day estimate.
- Review the result and copy it into your plan.
FAQ
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Disclaimer
Date calculations can vary based on time zones, observed holidays, and business rules. Verify critical deadlines using official sources.