Date to Date Calc. Business Date to Date Date Calc. Business Date Weekday Week Number Travel Time Distance

Home Calculators Days Calculator: Days Between Two Dates

Days Calculator: Days Between Two Dates

How many days, months, and years are there between two dates?

From: Tuesday, September 11, 2001 at 9:00:00 am
To: Thursday, March 11, 2004 at 3:00:00 am

Result: 911 days, 18 hours, 0 minutes and 0 seconds

The duration is 911 days, 18 hours, 0 minutes and 0 seconds

Or 2 years, 5 months, 28 days, 18 hours

Or 29 months, 28 days, 18 hours

Alternative time units

911 days, 18 hours, 0 minutes and 0 seconds can be converted to one of these units:

78,775,200 seconds
1,312,920 minutes
21,882 hours
911 days (rounded down)
130 weeks (rounded down)
249.79% of a common year (365 days)

◀ Make adjustment and calculate again Start Again ▶

Advertising

November 2001–February 2004
November 2001–December 2001: 61 days included Year 2002: 365 days included Year 2003: 365 days included January 2004–February 2004: 60 days included

= First day included (Sep 11, 2001)

= Last day included (Mar 10, 2004)

Make a New Calculation

Need some help?

Time & Date Calculator App for iOS

See how long remains before a deadline or exactly when those 30 days are up.

Help and Example Use

Some typical uses for the Date Calculators

Date Calculators

Duration Between Two Dates – Calculates number of days.
Time and Date Duration – Calculate duration, with both date and time included
Date Calculator – Add or subtract days, months, years
Birthday Calculator – Find when you are 1 billion seconds old

Related Links

Date/calendar related services – Overview
Calendar Generator – Create a calendar for any year.
The World Clock – Current time all over the world
Countdown to any date