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Rio de Janeiro, Brazil to ACDT

Rio de Janeiro
Brazil
-03
ACST/ACDT
Australian Central Standard Time
GMT +9:30
ACDT automatically adjusted to ACST time zone, that is in use

Time Difference

is 12 hours and 30 minutes behind Australian Central Standard Time
4:00 am04:00 in Rio de Janeiro, Brazil is 4:30 pm16:30 in ACST

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

4:00 am04:00 (Rio de Janeiro, Brazil). Offset UTC -3:00 hours
4:30 pm16:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours

4:00 am04:00 Rio de Janeiro, Brazil / 4:30 pm16:30 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 Daylight Time

Offset: ACDT is 10 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 ACDT timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Adelaide Hills, Mount Gambier, Morphett Vale, Prospect

ACDT Time Zone Geo Map
ACDT timezone map

Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Australian Central Standard Time (ACST).

Daylight saving time clock moves back for one hour from 3am to 2amEnd: Australian Central Daylight Time (ACDT) has ended on Sunday, April 6, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, April 6, 2025, 2:00 am local standard time instead. Daylight saving ends annually the on first Sunday of April

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Australian Central Daylight Time (ACDT) starts on Sunday, October 5, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, October 5, 2025, 3:00 am. Daylight saving starts annually the on first Sunday of October

ACDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1030 - basic
  • +10:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates ten hour and thirty minutes time differences to the east of the zero meridian.
IANA/Olson: Reflects ACDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Adelaide
  • Australia/Broken_Hill
  • Australia/South
  • Australia/Yancowinna
Time zones with the GMT +10:30 offset:
  • ACDT - Australian Central Daylight Time
  • LHST - Lord Howe Standard Time
EST to IST GMT to EST PST to EST EST to GMT PST to GMT