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

100,207 days

From Tuesday, January 15, 2301 to Sunday, September 6, 2026.

Monday–Friday weekdays71,577
Weeks and days14,315w 2d
Calendar span274 years, 4 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.