Date Calculator
Calculate days between dates or add/subtract days from a date.
📖 How to Use
Date Difference
Select a start date and end date to calculate the number of days between them. The calculator also shows the difference in years, months, weeks, and weekdays (excluding weekends).
Add/Subtract Days
Choose a starting date, then add or subtract a number of days, weeks, months, or years to find the resulting date.
💡 Tip: Use the quick date buttons to quickly set common intervals like 1 week, 1 month, or 1 year from today.
❓ Frequently Asked Questions
The calculator counts the number of days between the two dates, not including the start date but including the end date. This is the standard way to calculate date differences.
Weekdays are calculated by counting only Monday through Friday, excluding Saturdays and Sundays. This is useful for calculating business days.
Yes, the calculator properly handles leap years. February 29th is correctly included in leap years when calculating differences.