Time calculator
Days Between Dates
Count the number of calendar days between two selected dates.
Quick answer
How do you calculate the days between two dates?
Subtract the earlier date from the later date and count the calendar days in between. From January 1 to December 31, 2026 there are 364 days (365 if you count both dates).
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Days Between Dates counts the number of calendar days between two selected dates.
About this Days Between Dates
Count the exact number of calendar days between any two dates. Use it for vacation countdowns, contract durations, and historical research.
What you'll need
- • Start date
- • End date
How it works
- 1. Pick a start date and an end date.
- 2. The calculator returns total days, weeks + days, and business days.
Worked example
From January 1, 2026 to December 31, 2026 is 364 days.
Related searches
Days Between Dates FAQ
What is the Days Between Dates?
The Days Between Dates is a free online tool that helps you count the number of calendar days between two selected dates.
How do I use the Days Between Dates?
Open the Days Between Dates, enter the requested values, and review the instant estimate on the page.
Is the Days Between Dates free?
Yes. The Days Between Dates is free to use on Fast Online Calculator and does not require an account.
Are weekends counted?
All calendar days are counted by default. A separate business-day total excludes Saturdays and Sundays.
Does the count include the end date?
By convention, the count is exclusive of the start date and inclusive of the end date.
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