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

3,994 days

From Thursday, October 1, 2015 to Monday, September 7, 2026.

Monday–Friday weekdays2,852
Weeks and days570w 4d
Calendar span10 years, 11 months, 6 days

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