PDT to BRT Converter
Convert time between Pacific Daylight Time (PDT) and Brasilia Time (BRT)
Pacific Daylight Time (PDT)
Brasilia Time (BRT)
Time Difference
Brasilia Time (BRT) is 0 hours ahead of Pacific Daylight Time (PDT)
Select Date
Select Time
Quick Reference
| PDT | BRT |
|---|---|
| 19:00 | 23:00 |
| 21:00 | 01:00 |
| 23:00 | 03:00 |
| 01:00 | 05:00 |
| 03:00 | 07:00 |
| 05:00 | 09:00 |
| 07:00 | 11:00 |
| 09:00 | 13:00 |
| 11:00 | 15:00 |
| 13:00 | 17:00 |
| 15:00 | 19:00 |
| 17:00 | 21:00 |
Top 10 Most Common Time Zones
| Abbreviation | Full Name | UTC Offset | Typical Use |
|---|---|---|---|
| UTC | Coordinated Universal Time | UTC ±0 | Global reference standard (servers, logs, APIs) |
| EST / EDT | Eastern (US) Time | UTC −5 / −4 | New York, Toronto — North American business hub |
| CST / CDT | Central (US) Time | UTC −6 / −5 | Chicago, Dallas — US central business region |
| PST / PDT | Pacific (US) Time | UTC −8 / −7 | San Francisco, Los Angeles — tech industry standard |
| GMT / BST | Greenwich Mean / British Summer Time | UTC 0 / +1 | UK, used globally as a reference with UTC |
| CET / CEST | Central European (Summer) Time | UTC +1 / +2 | Paris, Berlin, Amsterdam — EU business core |
| IST | India Standard Time | UTC +5:30 | India — major IT & outsourcing region |
| CST | China Standard Time | UTC +8 | Beijing, Shanghai — East Asia business hub |
| JST | Japan Standard Time | UTC +9 | Tokyo — finance & tech hub |
| AEST / AEDT | Australian Eastern (Daylight) Time | UTC +10 / +11 | Sydney, Melbourne — APAC regional business |
Why Time Zone Abbreviations Are Ambiguous
Unlike standardized identifiers (like America/New_York or Europe/London from the IANA tz database), abbreviations such as "CST" or "IST" are not globally unique. They can refer to different time zones depending on context — country, region, or even time of year (due to daylight saving time).
Common Ambiguous Time Zone Abbreviations
| Abbrev. | Common Meaning(s) | UTC Offset | Region(s) |
|---|---|---|---|
| CST | Central Standard Time / China Standard Time / Cuba Standard Time | UTC−6 / UTC+8 / UTC−5 | North America, China, Cuba |
| IST | Indian Standard Time / Irish Standard Time / Israel Standard Time | UTC+5:30 / UTC+1 / UTC+2 | India, Ireland, Israel |
| AST | Atlantic Standard Time / Arabia Standard Time | UTC−4 / UTC+3 | Caribbean, Canada, Middle East |
| PST | Pacific Standard Time / Philippine Standard Time | UTC−8 / UTC+8 | North America, Philippines |
| EST | Eastern Standard Time (North America / Australia) | UTC−5 / UTC+10 | North America, Australia |
✅ Best Practice
To avoid ambiguity, always:
- Use IANA tz identifiers — e.g.,
America/New_Yorkinstead of "EST" - Specify UTC offset explicitly — e.g.,
UTC−5when abbreviations must be used - Include the full timezone name — e.g., "Eastern Standard Time (EST)" with UTC offset
About PDT to BRT Time Conversion
Converting between Pacific Daylight Time (PDT) and Brasilia Time (BRT) links the US West Coast during the summer months with Brazil. PDT is UTC-7 and BRT is UTC-3, putting Sao Paulo, Rio de Janeiro and Brasilia 4 hours ahead of Los Angeles, San Francisco, Seattle and Vancouver.
This converter uses the IANA timezone database for accurate calculations. PDT is observed from the second Sunday in March to the first Sunday in November. Outside that window the West Coast switches to PST (UTC-8), which widens the gap to BRT to 5 hours. Brazil ended DST in 2019, so any seasonal change comes from the US side.
Common Use Cases for PDT to BRT Conversion
Business & Work
- Coordinating tech and venture-capital calls between San Francisco and Sao Paulo in summer
- Scheduling media and entertainment handovers between Los Angeles and Brazilian studios
- Aligning Seattle-Brazil cloud and engineering meetings during the Northern Hemisphere summer
Personal & Travel
- Planning summer travel between the US West Coast and Brazil
- Coordinating with family or friends in Sao Paulo, Rio de Janeiro or Brasilia
- Scheduling video calls during the North American summer
Time Zone Information
Pacific Daylight Time (PDT)
- UTC Offset: UTC-7
- IANA Timezone: America/Los_Angeles
- Daylight Saving: Second Sunday in March to First Sunday in November
- Major Cities: Los Angeles, San Francisco, Seattle, Portland, Vancouver, San Diego, Las Vegas
- Coverage: US West Coast and Western Canada during the summer months
Brasilia Time (BRT)
- UTC Offset: UTC-3
- IANA Timezone: America/Sao_Paulo
- Daylight Saving: Not observed (DST abolished in Brazil in 2019)
- Major Cities: Brasilia, Sao Paulo, Rio de Janeiro, Belo Horizonte, Salvador
- Coverage: Most of Brazil including the southeast, south, northeast and central-west regions
Quick Reference: PDT to BRT
Remember: BRT is 4 hours ahead of PDT during the North American summer
Frequently Asked Questions
What is the time difference between PDT and BRT?
Pacific Daylight Time (PDT) is UTC-7, and Brasilia Time (BRT) is UTC-3. BRT is 4 hours ahead of PDT. When it is 12:00 PM in Los Angeles, it is 4:00 PM in Brasilia.
When does this PDT to BRT conversion apply?
PDT runs from the second Sunday in March to the first Sunday in November. Outside that window the West Coast uses PST (UTC-8), and the gap to BRT widens to 5 hours.
How does the time difference change throughout the year?
During the North American summer the offset is 4 hours; during the winter it widens to 5 hours when the West Coast is on PST. Brazil ended DST in 2019, so the Brazilian side never shifts.
What are the best times for PDT-BRT business calls?
A 4-hour gap leaves a useful overlap. A West Coast morning (8:00 to 10:00 AM PDT) maps to a Brazilian midday (12:00 to 2:00 PM BRT). A West Coast late morning (11:00 AM PDT) is a Brazilian mid-afternoon (3:00 PM BRT) — often the cleanest single shared slot.
Which countries/regions use BRT timezone?
BRT is observed across most of Brazil, including Brasilia, Sao Paulo, Rio de Janeiro, Belo Horizonte and Salvador. A few western Brazilian states use AMT (UTC-4) instead.
Which countries/regions use PDT timezone?
PDT covers the US West Coast and Western Canada during the summer months. Major cities include Los Angeles, San Francisco, Seattle, Portland, Vancouver, San Diego and Las Vegas.
Pro Tips
- • BRT is 4 hours ahead of PDT — add 4 hours to a Los Angeles or San Francisco time to get the Brasilia time.
- • When the West Coast falls back to PST in November, the offset widens to 5 hours until mid-March.
- • Brazil does not observe DST, so any seasonal change in this conversion comes from the US side.
- • Use IANA identifiers (America/Los_Angeles and America/Sao_Paulo) so calendars handle PDT-PST transitions automatically.
- • A late morning in Los Angeles (11 AM PDT) is a comfortable mid-afternoon in Brasilia (3 PM BRT).
- • For end-of-day handovers, a West Coast 4 PM is a Brazilian 8 PM — late but workable on the Brazilian side.