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

130,117 days

From Tuesday, December 7, 2382 to Monday, September 7, 2026.

Monday–Friday weekdays92,941

Weeks and days18,588w 1d

Calendar span356 years, 3 months

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