BRT — Brasília Time
BRT is UTC-03:00 on every date, with no daylight saving. São Paulo keeps it all year.
Current time in BRT
12:22:15
Brasília Time · UTC-03:00
About BRT
Brazil abolished daylight saving time in 2019, so Brasília Time is now used all year.
Working with BRT
The same offset, UTC-03:00, is also used by ART. None of them changes for daylight saving, so they always show the same time. One hour to the west of BRT in this directory sits AST (UTC-04:00); no listed zone keeps the offset one hour to the east.
Clock changes in BRT
Brasília Time has no clock change at any point in the year; UTC-03:00 applies on every date, in São Paulo as everywhere else on the zone.
Clock history of America/Sao_Paulo
| Period | Clocks set to | Seasonal changes |
|---|---|---|
| since 1914 | UTC-03:00 | 45 years with a change, 1931–2018 |
| 1900–1914 | UTC-03:06:28 | none |
Who keeps UTC-03:00
All year: São Paulo, Rio de Janeiro and Buenos Aires. Part of the year: Santiago until April 4, 2027 and from September 5, 2027.
Countries and territories that keep UTC-03:00 all year, from every entry in the tz database: Argentina, parts of Brazil, parts of Chile, Falkland Islands, French Guiana, Paraguay, Suriname and Uruguay. For part of the year: Bermuda, parts of Canada, parts of Chile, parts of Greenland and St. Pierre & Miquelon. Where it is kept all year, UTC-03:00 also goes by these names in the tz database: Argentina Standard Time, Brasilia Standard Time, Falkland Islands Standard Time, French Guiana Time, Paraguay Standard Time, Suriname Time and Uruguay Standard Time.
| City | Longitude | Solar noon on BRT |
|---|---|---|
| São Paulo | 46.63°W | 12:07 |
| Rio de Janeiro | 43.17°W | 11:53 |
| Santiago | 70.67°W | 13:43 |
| Buenos Aires | 58.38°W | 12:54 |
Where BRT stands today
Brasília Time is UTC-03:00 today and will be UTC-03:00 on every other day. A recurring meeting anchored to BRT never drifts against UTC, which makes it a dependable reference for logs kept in São Paulo and for schedules that run across a whole year.
A working day on BRT
| Place | BRT’s 09:00–17:00 there | Over the next 12 months |
|---|---|---|
| UTC | 12:00–20:00 | — |
| New York | 07:00–15:00 / 08:00–16:00 | 6 h to 7 h |
| London | 12:00–20:00 / 13:00–21:00 | 4 h to 5 h |
| Tokyo | 21:00–05:00 | none all year |
At 09:00 on a Monday on BRT time, every city in this directory has already reached Monday. By 17:00 on a Friday on BRT time, New Delhi, Shanghai, Beijing, Mumbai, Shenzhen, Karachi and 35 more have already reached Saturday.
Sunrise and sunset on BRT time in São Paulo
For the working hours São Paulo shares with New York, London and Tokyo, and for its sunrise and sunset through the year, see the São Paulo page.
How BRT compares with other zones
Right now BRT runs ahead of New York and Los Angeles and behind UTC, London, Berlin, Dubai, Kolkata, Singapore, Tokyo and Sydney.
| Zone | UTC offset | Difference from BRT | Over the next 12 months |
|---|---|---|---|
| UTC | UTC+00:00 | 3h behind | all year |
| New York | UTC-05:00 | 2h ahead | 2h ahead / 1h ahead |
| London | UTC+00:00 | 3h behind | 3h behind / 4h behind |
| Berlin | UTC+01:00 | 4h behind | 4h behind / 5h behind |
| Dubai | UTC+04:00 | 7h behind | all year |
| Kolkata | UTC+05:30 | 8h 30m behind | all year |
| Singapore | UTC+08:00 | 11h behind | all year |
| Tokyo | UTC+09:00 | 12h behind | all year |
| Sydney | UTC+11:00 | 14h behind | 13h behind / 14h behind |
| Los Angeles | UTC-08:00 | 5h ahead | 5h ahead / 4h ahead |
Cities using BRT
Convert BRT to another zone
Related time zones
Time zone rules: IANA tz database release 2026c, applied when this page was generated on 2026-11-02.
Frequently asked questions
What is BRT?
Brasília Time, BRT, is UTC-03:00. Brazil abolished daylight saving time in 2019, so Brasília Time is now used all year.
What is the IANA identifier for BRT?
America/Sao_Paulo, named after Sao Paulo. Its clock last changed on February 17, 2019, from UTC-02:00 to UTC-03:00, and it has kept UTC-03:00 since.
Does BRT change for daylight saving?
No. Brasília Time keeps UTC-03:00 on every date; so does ART.
What time is it on BRT when it is 09:00 in London?
06:00 until March 28, 2027 and from October 31, 2027; 05:00 from March 28, 2027 to October 31, 2027.
Is BRT the same as ART?
As labels, both mean UTC-03:00. The places behind them, Sao Paulo and Buenos Aires, show the same time on 365 days of the coming year.