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IST to Rio de Janeiro, Brazil to CET to SGT

IST
India Standard Time
GMT +5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Rio de Janeiro
Brazil
BRT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CET
Central European Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
SGT
Singapore Time
GMT +8
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

India Standard Time is 8 hours and 30 minutes ahead of BRT (Brasilia Time) and 4 hours and 30 minutes ahead of Central European Time and 2 hours and 30 minutes behind Singapore Time
5:30 pm17:30 in IST is 9:00 am09:00 in Rio de Janeiro, Brazil and is 1:00 pm13:00 in CET and is 8:00 pm20:00 in SGT

IST to Rio de Janeiro call time
Best time for a conference call or a meeting is between 5pm-6pm in IST which corresponds to 8:30am-9:30am in Rio de Janeiro
IST to CET call time
Best time for a conference call or a meeting is between 1:30pm-5pm in IST which corresponds to 9am-12:30pm in CET
IST to SGT call time
Best time for a conference call or a meeting is between 9am-2:30pm in IST which corresponds to 11:30am-5pm in SGT

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
9:00 am09:00 BRT (Brasilia Time) (Rio de Janeiro, Brazil). Offset UTC -3:00 hours
1:00 pm13:00 Central European Time (CET). Offset UTC +1:00 hour
8:00 pm20:00 Singapore Time (SGT). Offset UTC +8:00 hours

5:30 pm17:30 IST / 9:00 am09:00 Rio de Janeiro, Brazil / 1:00 pm13:00 CET / 8:00 pm20:00 SGT

ISTRio de Janeiro, BrazilCETSGT
12am (midnight)3:30 pm7:30 pm2:30 am
1am4:30 pm8:30 pm3:30 am
2am5:30 pm9:30 pm4:30 am
3am6:30 pm10:30 pm5:30 am
4am7:30 pm11:30 pm6:30 am
5am8:30 pm12:30 am7:30 am
6am9:30 pm1:30 am8:30 am
7am10:30 pm2:30 am9:30 am
8am11:30 pm3:30 am10:30 am
9am12:30 am4:30 am11:30 am
10am1:30 am5:30 am12:30 pm
11am2:30 am6:30 am1:30 pm
12pm (noon)3:30 am7:30 am2:30 pm
1pm4:30 am8:30 am3:30 pm
2pm5:30 am9:30 am4:30 pm
3pm6:30 am10:30 am5:30 pm
4pm7:30 am11:30 am6:30 pm
5pm8:30 am12:30 pm7:30 pm
6pm9:30 am1:30 pm8:30 pm
7pm10:30 am2:30 pm9:30 pm
8pm11:30 am3:30 pm10:30 pm
9pm12:30 pm4:30 pm11:30 pm
10pm1:30 pm5:30 pm12:30 am
11pm2:30 pm6:30 pm1:30 am
00:0015:3019:3002:30
01:0016:3020:3003:30
02:0017:3021:3004:30
03:0018:3022:3005:30
04:0019:3023:3006:30
05:0020:3000:3007:30
06:0021:3001:3008:30
07:0022:3002:3009:30
08:0023:3003:3010:30
09:0000:3004:3011:30
10:0001:3005:3012:30
11:0002:3006:3013:30
12:0003:3007:3014:30
13:0004:3008:3015:30
14:0005:3009:3016:30
15:0006:3010:3017:30
16:0007:3011:3018:30
17:0008:3012:3019:30
18:0009:3013:3020:30
19:0010:3014:3021:30
20:0011:3015:3022:30
21:0012:3016:3023:30
22:0013:3017:3000:30
23:0014:3018:3001:30

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bangalore, Kolkata, Chennai.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

IST Time Zone Geo Map
IST timezone map

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2

Rio de Janeiro Information

Time Zone

Abbreviation / Name
BRT - Brasília time
UTC / GMT Offset
-3:00 hours during Brasília time, currently in use.

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

Central European Time

Offset: CET is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Algeria, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Tunisia, Vatican City

Principal Cities: The largest city in the CET time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Rome, Paris, Algiers.

German: MEZ - Mitteleuropäische Zeit

CET Time Zone Geo Map
CET timezone map

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).

Daylight saving time clock moves back for one hour from 3am to 2amStart: Central European Time (CET) started on Sunday, October 26, 2025 at 3:00 am local time and clocks were set one hour back to Sunday, October 26, 2025, 2:00 am. Standard time starts annually on the last Sunday of October.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Central European Time (CET) ends on Sunday, March 29, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 29, 2026, 3:00 am local daylight time instead. Standard time ends annually on the last Sunday of March.

CET 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 CET
  • A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Algiers
  • Africa/Ceuta
  • Africa/Tunis
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • MET
  • Poland
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

Singapore Time

Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: Singapore

Principal Cities: The largest city in the SGT time zone is Singapore in Singapore, with about 3.548 million people.

Daylight Saving: Clocks in Singapore Time (SGT) do not change for daylight saving time, so SGT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

SGT Time Zone Geo Map
SGT timezone map

SGT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for SGT
  • H - short form of 'Hotel'
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT