Common uses
- Countdown to a wedding, vacation, or deadline
- Calculate the difference between two historical events
- Project completion dates (today + 90 days)
- Plan anniversaries, milestones, or recurring events
Math
Date Calculator
Calculate the number of days, weeks, and months between two dates, or add/subtract time from any starting date.
Mode 1: Days between two dates
Difference
—
- Total days
- 0
- Weeks
- 0
- Weekdays only
- 0
- Weekend days
- 0
Mode 2: Add or subtract from a date
Resulting date
—
—
Frequently asked questions
How are days counted?
Midnight-to-midnight days. Weekends/weekdays tallied separately.
Leap years?
Yes — Feb has 29 days in leap years.