Date & Time Calculator | Add/Subtract Days & Find Duration

📅 Date & Time Calculator

Add or subtract days from any date, or calculate the duration between two dates with hours and minutes. Simple, accurate, and free to use.

Select Date:

➕ Add ➖ Subtract

Number of Days: Time (optional):

Result will appear here.

Start Date: Start Time (optional):

End Date: End Time (optional):

Result will appear here.