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.

The end date comes before the start date

116,512 days

From Thursday, September 6, 2345 to Sunday, September 6, 2026.

Monday–Friday weekdays83,224

Weeks and days16,644w 4d

Calendar span319 years

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