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

114,777 days

From Friday, December 6, 2340 to Sunday, September 6, 2026.

Monday–Friday weekdays81,985

Weeks and days16,396w 5d

Calendar span314 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.