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Calculadora de Hora Mundial

Converta uma data e hora entre dois fusos horários UTC.

Introdução

World Time Calculator — Convert a date and time between two UTC offsets. Enter Date/time, From UTC offset (hours), To UTC offset (hours) to get an instant, accurate result.

Fórmula

Converts a date/time from a source UTC offset to UTC, then applies the target UTC offset, reporting whether the result lands on the previous, same, or next calendar day.

Passo a passo

  1. Enter the Date/time.
  2. Enter the From UTC offset (hours).
  3. Enter the To UTC offset (hours).
  4. Click Calculate to see your result instantly.

Exemplo do mundo real

Example: With Date/time = 2026-10-09 12:00:00, From UTC offset (hours) = 0, To UTC offset (hours) = 5.5, the World Time Calculator gives Source Time: 2026-10-09 12:00:00, Utc Time: 2026-10-09 12:00:00, Target Time: 2026-10-09 17:30:00.

Perguntas Frequentes

Does this account for daylight saving time?
No, it uses the fixed UTC offset you enter — during DST you may need to adjust the offset manually for that region.
Why does the date sometimes shift?
Crossing enough time zones can push the converted time into the previous or next calendar day, which is shown as a day offset.
What inputs does the World Time Calculator need?
You'll need to provide: Date/time, From UTC offset (hours), To UTC offset (hours). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the World Time Calculator?
The World Time Calculator applies the formula exactly as calculated — Converts a date/time from a source UTC offset to UTC, then applies the target UTC offset, reporting whether the result lands on the previous, same, or next calendar day. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the World Time Calculator free to use?
Yes, the World Time Calculator is completely free, requires no signup, and runs instantly in your browser.

Sobre a Calculadora de Hora Mundial

The World Time Calculator uses a real, verifiable formula — Converts a date/time from a source UTC offset to UTC, then applies the target UTC offset, reporting whether the result lands on the previous, same, or next calendar day. — so results are accurate every time, not an approximation.