Pick two dates and get the exact number of days between them, plus weeks, months, and a full calendar breakdown.
Day counter
Quick presets
Counting method: dates are compared at UTC midnight, so time zones and daylight saving changes never shift the answer. The default count shows elapsed days; tick "Include end date in the count" to count both endpoints.
What This Calculator Does
The Days Between Two Dates calculator tells you exactly how many days separate any two dates you choose. It works for dates in the past, the present, and the future. Alongside the main result, it shows you:
- Elapsed days: the number of full days between the two dates.
- Inclusive count: the total when you count both the start and end dates.
- Full weeks and remaining days: the same span expressed as weeks plus leftover days.
Everything updates instantly as you change your dates, right in your browser.
How to Use It
- Open the Days Between Two Dates calculator page.
- Enter your start date in the first date field.
- Enter your end date in the second date field.
- Read your result. The elapsed days, inclusive count, and weeks breakdown appear automatically.
That is all there is to it. No account, no download, no waiting.
Elapsed vs. Inclusive Counting: An Example
Consider the dates 2026-01-01 (January 1) and 2026-01-10 (January 10):
- Elapsed days: 9. This is the number of days that pass from the start of January 1 until the start of January 10.
- Inclusive count: 10. This counts both January 1 and January 10 as part of the total.
Which one you need depends on what you are counting. A rental booked from the 1st through the 10th usually charges for 9 nights but covers 10 calendar days. DateNook shows both so you can pick the one that fits.
Leap Years and Month Lengths
You do not need to remember which months have 30 or 31 days, or when February gains a day. The calculator follows the Gregorian calendar, so:
- Month lengths are handled automatically (30 days for September, 31 for October, and so on).
- Leap years are handled automatically. A date range from 2024-02-25 to 2024-03-05 correctly includes February 29, 2024.
If your range crosses a leap day, the result reflects it without you doing anything special.
Common Everyday Uses
- Trip planning: figure out exactly how long a holiday lasts or how many nights you will be away.
- Deadlines: see how many days remain before a project, application, or payment is due.
- Anniversaries and birthdays: count the days until the next celebration.
- Countdowns: track days remaining until a launch, an exam, or a move.
- Age in days: find the number of days between a birth date and today (or any other date).
- Subscription and contract periods: check the length of a billing cycle or agreement span.
Frequently Asked Questions
Does the calculator count the start date, the end date, or neither?
The main result is the elapsed count, which does not double-count either endpoint. The inclusive count, shown alongside, includes both endpoints. Use whichever suits your situation.
Can I calculate days between a past date and today?
Yes. Enter the earlier date as the start date and today as the end date. The result is the number of days that have elapsed between them.
What if I enter the end date before the start date?
The calculator flags it and tells you which date comes first, so you never get a misleading result. Just use the Swap Dates button (or place the earlier date first) to read the span forward.
How are leap years handled?
The calculator uses standard Gregorian calendar rules, so any range that includes February 29 of a leap year counts that extra day. You never need to adjust for it manually.
Do my dates get sent to a server?
No. The calculation happens locally in your browser. Your dates never leave your device. See the Privacy Policy for the full picture.
Are the results suitable for legal or contractual use?
They are general informational calculations based on standard calendar arithmetic. For anything with legal, financial, or contractual consequences, verify the count independently before relying on it. See the Disclaimer.
Try It Now
Pick your two dates and get the answer instantly.