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

32,040 days

From Thursday, December 15, 1938 to Friday, September 4, 2026.

Monday–Friday weekdays22,886
Weeks and days4,577w 1d
Calendar span87 years, 8 months, 20 days

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