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Global Time Zone

Convert times between different world time zones quickly.

Global Time Zone

São Paulo

America/Sao_Paulo

02:31 PM

Brasília

America/Sao_Paulo

02:31 PM

Abu Dhabi

Asia/Dubai

09:31 PM

Addis Ababa

Africa/Addis_Ababa

08:31 PM

Beijing

Asia/Shanghai

01:31 AM

Cairo

Africa/Cairo

08:31 PM

Jakarta

Asia/Jakarta

12:31 AM

Moscow

Europe/Moscow

08:31 PM

New Delhi

Asia/Kolkata

11:01 PM

Pretoria

Africa/Johannesburg

07:31 PM

Riyadh

Asia/Riyadh

08:31 PM

Tehran

Asia/Tehran

09:01 PM

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Global Time Zone

Comprovante de Conversão

De

Para

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Os resultados são baseados em tabelas de equivalência padrão e podem variar.

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Understand the concept

Time zone is the way of organizing time in regions of the planet, based on a “reference time” (such as UTC) and applying offsets.

The main practical challenge is that some places change the offset throughout the year due to local rules (daylight saving time), and these rules can change over time.

Practical example: a meeting at 10:00 in São Paulo may fall at different times in Lisbon depending on the time of year (seasonal changes). That's why it's better to convert by city/region than by a fixed offset.

Use this converter to plan meetings, deadlines and trips, avoiding “guess” errors when involving different countries.

Tip: always confirm the date with the time. “10:00” without a date may give different conversions in different months because of daylight saving time.

How to use this tool

  1. Choose the origin location and destination location.
  2. Enter the time and date.
  3. Read the converted time at the destination.
  4. If there is a change due to daylight saving time, compare different dates to understand the variation.

FAQ

Why does the same time give different results on different dates?

Because of daylight saving time and local rules.

Is UTC offset enough?

Not always. City/region is safer, as it considers calendar rules.

Does this apply to legal deadlines?

Use as a reference and always confirm location-specific rules.

What is a common error?

Converting without informing the date or assuming that the offset is fixed for the entire year.

Technical notes

Base técnica

Fórmula: Hora_destino = Hora_origem + (Offset_destino − Offset_origem) no mesmo instante. Unidade e escopo: convertemos um mesmo instante para diferentes cidades/fusos e exibimos o horário local de cada uma.

Referência

Base de fusos IANA (via API Intl/Date do ambiente).