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

28,605 days

From Monday, December 29, 2104 to Friday, September 4, 2026.

Monday–Friday weekdays20,431
Weeks and days4,086w 3d
Calendar span78 years, 3 months, 25 days

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