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Dates
Add Days to Date
Calculate the resulting date when adding N days to a start date. Instant result with correct leap year handling.
How does it work?
Day addition uses UTC arithmetic to avoid errors with daylight saving time. Leap years are handled automatically by JavaScript.
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Date Difference Calculator
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Subtract Days from Date
Calculate the resulting date when subtracting N days from a date. Instant result with correct leap year handling.
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Calendar with Brazilian Holidays
View all 12 months in one page with Brazilian national holidays highlighted. Navigate between years and check fixed and movable holidays.