Date-to-date calculator

Days between dates

Count the distance between two Gregorian calendar dates. Weekdays mean Monday through Friday and do not exclude holidays.

Excluding the start date

123,641 days

From Sunday, February 29, 1688 to Sunday, September 6, 2026.

Monday–Friday weekdays88,315
Weeks and days17,663w 0d
Calendar span338 years, 6 months, 9 days

Standard mode excludes the earlier endpoint and includes the later endpoint. Reversed inputs keep the same absolute counts and are identified above.