How do I calculate days between two dates?

Subtract the earlier date from the later date. Our calculator returns the exact number of days, weeks, months, and years between any two dates, accounting for leap years.

How many days are between January 1 and December 31?

From January 1 to December 31 is 364 days (in a non-leap year) or 365 days (in a leap year). From January 1 to December 31 inclusive = 365 or 366 days.

What is the difference between days elapsed and days remaining?

Days elapsed counts from the start date to today. Days remaining counts from today to the end date. Both use the same subtraction method - the direction just changes which date is the reference point.

How do I count the number of Mondays between two dates?

Divide the total days between the dates by 7, and adjust based on which day of the week the start date falls on. For a quick estimate: total days / 7 rounded down, plus 1 if the start day-of-week is Monday or earlier than the target day.

Days Difference Calculator

Calculate days between two dates — shows totals, business days, and a visual timeline.

Days Between two Dates Calculator to calculate the days difference between two dates.
Just input Start Date and Time and End Date then the days Calculator will calculate the days between two dates as well as years, months, weeks, hours, minutes and seconds.
How many years, months, days, hours, minutes and seconds are there between two moments in time?

Start Date

End Date

Start Time:

End Time:

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Days Difference Calculator

Calculate days between two dates — shows totals, business days, and a visual timeline.

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