Date Difference Calculator
Computes the exact time between two dates as years, months and days plus total days and weeks, or adds and subtracts any number of days, weeks, months or years from a date.
Read the full guide to this tool
Notes
- Month arithmetic clamps to the end of the month: Jan 31 plus one month is Feb 28 (or Feb 29 in a leap year).
- The difference counts calendar days, so it is independent of time zones and daylight saving.
- Everything runs locally in your browser; nothing you enter is sent to any server.