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Date Calculator
Find the days between two dates, or add/subtract days from a date.
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Enter dates above
About this tool
Find the exact number of days between two dates, or add/subtract a number of days from a starting date — useful for deadlines, project planning, or contract terms.
Can I subtract days instead of adding them?
Yes, switch between add and subtract modes.
Does it count the start and end date?
The day difference is calculated as full calendar days between the two dates.
Can I use it to find a future date?
Yes, enter a start date and number of days to add, and it returns the resulting date.