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

39,424 days

From Friday, September 27, 1918 to Friday, September 4, 2026.

Monday–Friday weekdays28,160
Weeks and days5,632w 0d
Calendar span107 years, 11 months, 8 days

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