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

36,382 days

From Monday, April 15, 2126 to Friday, September 4, 2026.

Monday–Friday weekdays25,986
Weeks and days5,197w 3d
Calendar span99 years, 7 months, 11 days

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