Date Calculator

Calculate days between two dates, add or subtract days from a date, find day of the week, and more. Free date difference calculator.

Start Date

→

End Date

171

days between the two dates

Years

Months

Weeks

4,104

Hours

Frequently Asked Questions

How to calculate days between two dates?▼

Enter the start and end dates above. We calculate the exact difference in days, weeks, months, and years.

How to find the date 90 days from today?▼

Switch to 'Add/Subtract Days' mode, enter today's date and 90 days. We'll show you the exact date.

Does this account for leap years?▼

Yes! The calculator uses JavaScript's Date object which correctly handles leap years, month lengths, and daylight saving time.