Calculadora de datas
Calcule dias entre datas ou adicione e subtraia anos, meses, semanas e dias.
Select Calculation
Use this when you need the number of calendar days between two dates.
Use this to project a deadline by adding years, months, weeks, or days to a start date.
Use this to work backward from a target date by subtracting calendar units.
Result
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Result
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Result
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Select Calculation
Use this when you need the number of calendar days between two dates.
Use this to project a deadline by adding years, months, weeks, or days to a start date.
Use this to work backward from a target date by subtracting calendar units.
Início rápido
Cenários comuns
Deadlines
add 14 days, 6 weeks, or 3 months to find a target date.
Trip planning
count how many calendar days sit between two dates.
Backtracking
subtract a preparation window from a target date.
Dicas de uso
Limitações e compatibilidade
Privacidade e segurança
Perguntas frequentes
No. 2026-04-01 to 2026-04-29 is 28 days by default, or 29 days with inclusive mode.
If the target month has no 31st, the result moves to the last day of that month.
Not yet. This version handles plain calendar dates; business-day logic can be a later expansion.