Date & Age
Date Calculator
Find the exact number of days, weeks, months and years between two dates, or add and subtract time from any date — useful for deadlines, events and planning.
Choose a start and end date to see the exact difference.
How to Use the Date Calculator
- 1Switch between the “Date Difference” and “Add / Subtract” tabs depending on what you need.
- 2For date difference, pick a start and end date to see the exact gap between them.
- 3For add/subtract, pick a start date, an amount, a unit (days, weeks, months or years), and choose Add or Subtract.
- 4Your result updates instantly as you change any input.