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.

The end date comes before the start date

117,699 days

From Monday, December 6, 2348 to Sunday, September 6, 2026.

Monday–Friday weekdays84,071

Weeks and days16,814w 1d

Calendar span322 years, 3 months

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