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

4,131 days

From Sunday, May 17, 2015 to Monday, September 7, 2026.

Monday–Friday weekdays2,951
Weeks and days590w 1d
Calendar span11 years, 3 months, 21 days

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