Conversor de Unidades

Calculadora de Duração de Datas

Meça o tempo entre quaisquer duas datas em segundos.

Escolha uma data de início e fim para ver instantaneamente a duração do período em dias, semanas, meses, anos e unidades comuns adequadas para dias úteis.

Calendar-day difference
Date after or before N days
Weekdays only vs business days with holidays

Count days between dates

Pick a start and end date to measure the calendar span. Results use standard “between dates” semantics, so the same day returns 0 days.

Quick planning presets

Set the end date from the start date with one tap for common planning horizons.

Days between your dates

There are 30 calendar days between 27 de fev. de 2026 and 29 de mar. de 2026.

Months and years are approximate so you can estimate longer timelines quickly.

Calendar days

30

Weekdays only (Mon–Fri)

20

Counts weekdays after the start date up to the end date.

Selected workweek days

20

Mon-Fri

Business days with holidays

20

Starts from the weekday count, then removes national public holidays for the selected country.

Weeks (exact)

4,29

Months (approx.)

0,99

Years (approx.)

0,082

Excluded holidays

No holiday dates were excluded for the current range and workweek.

Add or subtract days from a date

Find the date after 7, 30, or 90 days, or move backward from a deadline to a planning start date.

Offset shortcuts

Use positive values for future dates and negative values for past dates.

+30 days from 29 de mar. de 2026 is 28 de abr. de 2026.

Resulting date

28 de abr. de 2026

Day of week

terça-feira

Weekdays and business days

Compare the raw weekday count with a holiday-aware business-day count so you can plan staffing, approvals, shipping, and project schedules more accurately.

The holiday-aware count uses public holidays for the selected scope.

Optional. Use a more specific holiday scope when your planning depends on state-level public holidays.

Custom workweek

Pick the weekly schedule that matches your team, operation, or market before holidays are removed.

United States

Public holidays can be filtered by the selected holiday scope. Company shutdowns and custom leave calendars are not included.

2026

When this date calculator helps most

Project planning

Measure how many working days sit between kickoff and launch.

Shipping and procurement

Check whether a quoted lead time includes weekends or public holidays.

HR and operations

Count business days across notice periods, onboarding windows, or approval timelines.

Perguntas Frequentes

Os anos bissextos são considerados?

Sim. A calculadora conta os dias reais do calendário, então os dias bissextos e a duração dos meses são incluídos automaticamente.

Como os dias úteis são calculados?

O total de dias úteis inclui de segunda a sexta-feira e ignora sábados e domingos. Feriados públicos não são removidos.

Posso medir o tempo para trás?

Com certeza. Se a data de fim for anterior à data de início, a ferramenta as inverte automaticamente e ainda retorna o período positivo.