Date Calculator
Days between two dates, or add/subtract days from a date.
Finding the number of days between two dates, or figuring out what date falls a certain number of days from today, is a common planning task — for deadlines, event countdowns, or contract terms.
How it works
- Pick a modeFind the days between two dates, or add/subtract time from a single date.
- Enter your datesEverything updates live as you type — no button to click.
- Read the resultTotal days, weeks, weekdays and weekends, or the resulting date.
FAQ
How do I find out how many days are between two dates?
Switch to "Days between two dates," enter a start and end date, and the total days, weeks, weekdays, and weekend days appear instantly.
Can I calculate a date 90 days from today?
Yes — switch to "Add / subtract days," set the start date to today, enter 90 in Amount, choose Days, and Add.
Does this account for leap years?
Yes, all calculations use standard JavaScript date arithmetic, which correctly accounts for leap years and varying month lengths.