Date Calculator
Find the difference between two dates, or add/subtract days, weeks, months, or years from a date. Time zones are ignored — this works purely on calendar dates. Everything runs in your browser; nothing is sent anywhere.
Difference between two dates
Enter a date to get started.
Total days
In weeks
In years, months, days
If the end date is before the start date, the day count is shown as negative.
Add to / subtract from a date
Enter a date to get started.
Resulting date
Weekday
When this comes in handy
Useful when you need to count the days left until a deadline, or figure out what date falls a certain number of days, weeks, or months from today. It shows the day of the week too, which helps when you're planning ahead.