BRT to UTC Converter & Meeting Planner
Quick answer: 9:00 AM BRT = 12:00 PM UTC (fixed -03:00 standard offset — not DST-adjusted). Use the interactive converter below for DST-aware local-time scheduling.
Planning a call or meeting between Brasília Time (BRT) and Coordinated Universal Time (UTC)? You need to account for the standard time difference. Coordinated Universal Time is normally 3 hours ahead of Brasília Time. Whether you are coordinating between teams in São Paulo and Rio de Janeiro and Greenwich / London, our live tool has you covered. Use our interactive overlap studio below to find the perfect waking hours for both regions, taking into account any seasonal Daylight Saving Time (DST) changes.
24-Hour Conversion Table
Quick reference: 12:00 AM BRT = 3:00 AM UTC. The full 24-hour BRT to UTC table below uses fixed standard offsets for exact abbreviation searches.
Example: 3:00 PM BRT = 6:00 PM UTC.
| BRT Time | UTC Time |
|---|---|
| 12:00 AM (00:00) | 3:00 AM (03:00) |
| 1:00 AM (01:00) | 4:00 AM (04:00) |
| 2:00 AM (02:00) | 5:00 AM (05:00) |
| 3:00 AM (03:00) | 6:00 AM (06:00) |
| 4:00 AM (04:00) | 7:00 AM (07:00) |
| 5:00 AM (05:00) | 8:00 AM (08:00) |
| 6:00 AM (06:00) | 9:00 AM (09:00) |
| 7:00 AM (07:00) | 10:00 AM (10:00) |
| 8:00 AM (08:00) | 11:00 AM (11:00) |
| 9:00 AM (09:00) | 12:00 PM (12:00) |
| 10:00 AM (10:00) | 1:00 PM (13:00) |
| 11:00 AM (11:00) | 2:00 PM (14:00) |
| 12:00 PM (12:00) | 3:00 PM (15:00) |
| 1:00 PM (13:00) | 4:00 PM (16:00) |
| 2:00 PM (14:00) | 5:00 PM (17:00) |
| 3:00 PM (15:00) | 6:00 PM (18:00) |
| 4:00 PM (16:00) | 7:00 PM (19:00) |
| 5:00 PM (17:00) | 8:00 PM (20:00) |
| 6:00 PM (18:00) | 9:00 PM (21:00) |
| 7:00 PM (19:00) | 10:00 PM (22:00) |
| 8:00 PM (20:00) | 11:00 PM (23:00) |
| 9:00 PM (21:00) | 12:00 AM (00:00)+1 day |
| 10:00 PM (22:00) | 1:00 AM (01:00)+1 day |
| 11:00 PM (23:00) | 2:00 AM (02:00)+1 day |
Best time to call Greenwich / London from São Paulo
For most work calls, compare the normal business day in São Paulo (BRT) with the business day in Greenwich / London (UTC). BRT commonly covers South America, while UTC is mainly associated with Global.
⚠️ Note: 2026-07-05 is not a normal workday in one or both regions based on their configured calendar. The overlap below should be treated as a reference, not a guaranteed office-hours window.
✅ The most practical overlap on 2026-07-05 is usually 9:00 AM - 2:00 PM BRT, which corresponds to 12:00 PM - 5:00 PM UTC. This window sits inside the typical BRT workday (9:00 AM - 6:00 PM) and the UTC workday (9:00 AM - 5:00 PM).
- DST Safety: Neither BRT nor UTC uses Daylight Saving Time in our dataset, making business-hour relationships stable year-round.
- B3 (Brasil Bolsa Balcão): 10:00-17:00 local time in São Paulo.
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Frequently Asked Questions
What is the time difference between BRT and UTC?
During standard time, Coordinated Universal Time is 3 hours ahead of Brasília Time.
Does Brazil observe Daylight Saving Time?
Brazil officially abolished Daylight Saving Time by presidential decree in April 2019, ending a practice that had been observed in the country's southeastern states since 1985. BRT has remained fixed at UTC-3:00 every day of the year since then, meaning the B3 stock exchange, federal government, and all Brazilian commercial operations run on a permanent, unchanging offset.
Is BRT the same as Argentina Time (ART)?
BRT (Brasília Time) and ART (Argentina Time) share the identical UTC-3:00 offset and neither country observes Daylight Saving Time, making São Paulo and Buenos Aires permanently synchronized on the same clock. Despite the different official designations, a meeting set for 10:00 BRT in São Paulo falls at exactly 10:00 ART in Buenos Aires — a fixed relationship that never shifts seasonally.