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

26,160 days

From Thursday, January 20, 1955 to Friday, September 4, 2026.

Monday–Friday weekdays18,686
Weeks and days3,737w 1d
Calendar span71 years, 7 months, 15 days

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