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

110,490 days

From Tuesday, March 12, 2329 to Sunday, September 6, 2026.

Monday–Friday weekdays78,922
Weeks and days15,784w 2d
Calendar span302 years, 6 months, 6 days

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