Days Until a Date Calculator
Choose a future date and see how many calendar days remain from today.
Days-until calculations are useful for deadlines, trips, birthdays, exams, events, launches and other dates you are waiting for.
Select the target date and calculate the remaining calendar days. If the date has already passed, the result clearly identifies that.
Enter the values you want to compare or calculate, then use the result as a practical reference. The calculator runs in your browser and does not require an account.
This tool also fits into a wider set of practical utilities. Depending on what you are trying to calculate or measure next, you can continue with Days From Today Calculator, Days Between Dates Calculator, Date Difference Calculator and Add Days to a Date. For the complete collection, visit the utility tools homepage and choose another tool when your task changes.
How to use this calculator
- Enter your values. Select the dates or numbers required by the calculator.
- Check the inputs. Make sure the dates are in the order and range you intend to calculate.
- Calculate the result. The result appears instantly in the calculator above without submitting a form.
- Use the result. Apply the result to your schedule, deadline, planning or date calculation.
How the calculation works
Enter the values you want to compare or calculate, then use the result as a practical reference. The calculator runs in your browser and does not require an account. The calculation is performed locally in your browser, so the page can return a result immediately after you change the inputs.
Things to know about date calculations
Calendar calculations can differ depending on whether a result is treated as an elapsed interval or an inclusive count. This site uses clear calendar-date rules and explains important assumptions where they affect the result. Business-day calculations on this page exclude weekends but do not automatically remove public holidays.
Frequently asked questions
How many days until my date?
Select the target date and the calculator will return the number of calendar days from today.
Does the calculator count today?
The default result is the elapsed calendar difference between today and the selected date rather than an inclusive count of both endpoints.