Brazil
-03
ACST
Australian Central Standard Time
GMT +9:30

Time Difference

is 12 hours and 30 minutes behind Australian Central Standard Time
8:00 am08:00 in Rio de Janeiro, Brazil is 8:30 pm20:30 in ACST

Rio de Janeiro to ACST call time
Best time for a conference call or a meeting is between 6:30am-8:30am in Rio de Janeiro which corresponds to 7pm-9pm in ACST

8:00 am08:00 (Rio de Janeiro, Brazil). Offset UTC -3:00 hours
8:30 pm20:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours

8:00 am08:00 Rio de Janeiro, Brazil / 8:30 pm20:30 ACST

Rio de Janeiro, Brazil ACST
12am (midnight) 12:30 pm
1am 1:30 pm
2am 2:30 pm
3am 3:30 pm
4am 4:30 pm
5am 5:30 pm
6am 6:30 pm
7am 7:30 pm
8am 8:30 pm
9am 9:30 pm
10am 10:30 pm
11am 11:30 pm
12pm (noon) 12:30 am
1pm 1:30 am
2pm 2:30 am
3pm 3:30 am
4pm 4:30 am
5pm 5:30 am
6pm 6:30 am
7pm 7:30 am
8pm 8:30 am
9pm 9:30 am
10pm 10:30 am
11pm 11:30 am
0:00 12:30
1:00 13:30
2:00 14:30
3:00 15:30
4:00 16:30
5:00 17:30
6:00 18:30
7:00 19:30
8:00 20:30
9:00 21:30
10:00 22:30
11:00 23:30
12:00 0:30
13:00 1:30
14:00 2:30
15:00 3:30
16:00 4:30
17:00 5:30
18:00 6:30
19:00 7:30
20:00 8:30
21:00 9:30
22:00 10:30
23:00 11:30

Rio de Janeiro Information

Time Zone

Abbreviation / Name
-03 -
BRST - Brasilia Summer Time
UTC / GMT Offset
-3:00 hours during , currently in use.
-2:00 hours during Brasilia Summer Time.
Daylight Saving Time Change
+1:00 hour - DST is NOT in use
Daylight Saving Time Starts
Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Also called Fall Back or switch to Winter 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
6,023,699
Currency
Real (BRL)
Geographic Coordinates
22° 54' S Latitude / 43° 10' W Longitude
International Dialing Code
+55

Australian Central Standard Time

Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia

Countries: It is used in following countries: Australia

Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston

ACST Time Zone Geo Map
ACST timezone map

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).

Daylight saving time clock moves back for one hour from 3am to 2amStart: Australian Central Standard Time (ACST) started on Sunday, April 7, 2024 at 3:00 am local time and clocks were set one hour back to Sunday, April 7, 2024, 2:00 am. Standard time starts annually the on first Sunday of April.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Australian Central Standard Time (ACST) ends on Sunday, October 6, 2024 at 2:00 am local time and clocks are set one hour forward to Sunday, October 6, 2024, 3:00 am local daylight time instead. Standard time starts annually the on first Sunday of October.

ACST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0930 - basic
  • +09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects ACST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/Darwin
  • Australia/North
  • Australia/South
  • Australia/Yancowinna