BST to Rio de Janeiro Time Converter

Updating current time…
BST
British Summer Time
UTC+1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Rio de Janeiro
BrazilBRT
UTC−3
4h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

1:00 pm13:00 BST (UTC+1), Oct 19, 2026 = 9:00 am09:00 BRT (UTC-3), Oct 19, 2026

BST is 4 hours ahead of Rio de Janeiro.

How the time difference changes

For most of the year, BST is 4 hours ahead of Rio de Janeiro. From Oct 25, 2026 to Mar 28, 2027, GMT is 3 hours ahead of Rio de Janeiro.

For most of the year, working hours of 9:00 am to 6:00 pm in BST correspond to 5:00 am to 2:00 pm in Rio de Janeiro. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 6:00 am to 3:00 pm in Rio de Janeiro.For most of the year, working hours of 09:00 to 18:00 in BST correspond to 05:00 to 14:00 in Rio de Janeiro. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 06:00 to 15:00 in Rio de Janeiro.

Compare BST time with Rio de Janeiro time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

British Summer Time is 4 hours ahead of BRT (Brasilia Time).
1:00 pm13:00 in BST is 9:00 am09:00 in Rio de Janeiro, Brazil

BST to Rio de Janeiro call time
Best time for a conference call or a meeting is between 1pm-6pm13:00-18:00 in BST which corresponds to 9am-2pm09:00-14:00 in Rio de Janeiro

1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
9:00 am09:00 BRT (Brasilia Time) (Rio de Janeiro, Brazil). Offset UTC -3:00 hours

1:00 pm13:00 BST / 9:00 am09:00 Rio de Janeiro, Brazil

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BSTRio de Janeiro, Brazil
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British Summer Time

Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom

Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.

Current time in the United Kingdom: UK time now

Map of the areas on British Summer Time (BST)
BST part of the year

Today all shaded areas are on BST.

Open the world time zone map© OpenStreetMap

Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).

123456789101112Start: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.

123456789101112End: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.

See United Kingdom daylight saving time and upcoming clock changes worldwide.

BST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BST
  • A - short form of 'Alpha'
IANA/Olson: Reflects BST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Europe/Belfast
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
BST Abbreviation: Several time zones share BST abbreviation and it could refer to these time zones
  • British Summer Time - UTC +1
  • Bangladesh Standard Time - UTC +6
  • Bougainville Standard Time - UTC +11
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Rio de Janeiro Time Zone and Facts

Time Zone

Abbreviation / Offset
BRT – Brasilia Time, UTC-3 (no daylight saving time)

Rio de Janeiro Facts

Country
Brazil
Alternative Names
Ciutat de Rio de Janeiro, RIO, Rio, Rio De Janeiro, Rio d Janeiro, Rio de Janeiro, Rio de Janeiru, Rio de Janero, Rio de Janeyro, Rio de Janèro, Rio de Janêro, Rio de Zaneiras, Rio de Zaneiros, Rio de Zaneyro, Rio de Zhaneiro, Rio de Zhanejro, Rio de Žaneiras, Rio dé Janéyro, Rio dė Žaneiros, Rio nte Tzaneiro, Rio-de-Janejro, Rio-de-Janeyro, Rio-de-Zaneiro, Rio-de-Zanejro, Rio-de-Zaneyro, Rio-de-Zhanejro, Rio-de-janeiro, Rio-de-Ĵanejro, Rio-de-Žaneiro, Rio-de-Žaneýro, Riodezaneiro, Riodežaneiro, Riu de Janeiro, Riu de Janeiru, Riviethe de Janvyi, Riviéthe dé Janvyi, Rya-deh-Zhanehjra, Río de Janeiro, Sao Sebastiao do Rio de Janeiro, São Sebastião do Rio de Janeiro, Urbs Fluminensis, iriyo ti ceniro, li yue re nei lu, liudejaneilu, rath ri xode ca ne ro, ri xode ca ne ro, ri'o di janero, ri'o di jeneri'o, ri'o di jeniro, rio-de-zhaneiro, riodejaneiro, rios. dis. djaneiros, riyea di janirea, riyo di janairo, riyo di janero, riyo di jeneriyo, riyo di jenero, riyo di jyaneriyo, ryw dh znyyrw, ryw dw zhanyrw, ryw dwzhanyrw, ryw dy janyrw, Ρίο ντε Τζανέιρο, Рио де Жанеиро, Рио де Жанейро, Рио-де-Жанейро, Рыа-дэ-Жанэйра, Ріо де Жанейро, Ріо-де-Жанейро, Ռիո դե Ժանեյրո, ריא דע זשאנערא, ריו דה זניירו, ريو دى جانيرو, ريو دي جانيرو, ریو دو ژانیرو, ریو دوژانیرو, ریو دے جینیرو, ریو ڈی جینرو, ڕیۆ دێ ژانێرۆ, रियो डि जेनेरो, रियो दि जानेरो, रियो दि ज्यानेरियो, रियो दी जेनेरियो, রিও ডি জেনিরো, রিও দি জেনেরিও, ਰਿਓ ਡੀ ਜਨੇਰੋ, இரியோ டி செனீரோ, ರಿಯೋ ಡಿ ಜನೈರೊ, റിയോ ഡി ജനീറോ, รัฐรีโอเดจาเนโร, รีโอเดจาเนโร, རིའོ་ཌེ་ཇ་ནེའུ་རའོ།, ရီယို ဒီ ဂျီးနေးရိုးမြို့, რიო-დე-ჟანეირო, ሪዮ ዴ ጃኔይሮ, リオデジャネイロ, 里約熱內盧, 里约热内卢, 리우데자네이루
Population
6,747,815
Currency
Real (BRL)
Geographic Coordinates
22° 54' S Latitude / 43° 10' W Longitude
International Dialing Code
+55
More About Rio de Janeiro
Rio de Janeiro local time and city facts
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT