IST
India Standard Time
GMT +5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CET
Central European Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST
Eastern Standard Time
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AWST
Australian Western Standard Time
GMT +8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Brazil
BRT
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare IST time with CET, EST, AWST, and Brasilia time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

India Standard Time is 4 hours and 30 minutes ahead of Central European Time and 10 hours and 30 minutes ahead of Eastern Standard Time and 2 hours and 30 minutes behind Australian Western Standard Time and 8 hours and 30 minutes ahead of BRT (Brasilia Time)
5:30 pm17:30 in IST is 1:00 pm13:00 in CET and is 7:00 am07:00 in EST and is 8:00 pm20:00 in AWST and is 9:00 am09:00 in Brasilia, Brazil

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 EST call time
Best time for a conference call or a meeting is between 6pm-7pm in IST which corresponds to 7:30am-8:30am in EST
IST to AWST 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 AWST
IST to Brasília 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 Brasília

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
1:00 pm13:00 Central European Time (CET). Offset UTC +1:00 hour
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
8:00 pm20:00 Australian Western Standard Time (AWST). Offset UTC +8:00 hours
9:00 am09:00 BRT (Brasilia Time) (Brasilia, Brazil). Offset UTC -3:00 hours

5:30 pm17:30 IST / 1:00 pm13:00 CET / 7:00 am07:00 EST / 8:00 pm20:00 AWST / 9:00 am09:00 Brasilia, Brazil

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

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

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

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include Toronto, Montreal, Brooklyn, Borough of Queens.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

EST Time Zone Geo Map
EST 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 Eastern Daylight Time (EDT).

Daylight saving time clock moves back for one hour from 2am to 1amStart: Eastern Standard Time (EST) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Eastern Standard Time (EST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.

EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

Australian Western Standard Time

Offset: AWST is 8 hours ahead Greenwich Mean Time (GMT) and is used in Australia

Countries using this time zone: Australia

Principal Cities: The largest city in the AWST time zone is Perth in Australia, with about 1.897 million people. Other major cities in this time zone include Rockingham, Mandurah, Bunbury, Armadale.

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

AWST Time Zone Geo Map
AWST timezone map

AWST 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 AWST
  • H - short form of 'Hotel'
IANA/Olson: Reflects AWST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Perth
  • Australia/West
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

Brasília Information

Time Zone

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

Brasília Facts

Country
Brazil
Alternative Names
BSB, Bahsihleihya, Brasilia, Brasiliopolis, Brasilía, Brasília, Braxilia, Braxiłia, Braxìlia, Brazileje, Brazilia, Braziliavaros, Brazilija, Brazilija shaary, Brazilja, Braziljo, Brazilėjė, Brazília, Brazíliaváros, Breselya, Bràsílíà, Mprazilia, ba xi li ya, beulajillia, bra si leiy, brajhiliya, brasili'a, brasiliya, brasylya, brazili'a, brazilia, brazylya, bresiliya, brzylyh, burajiria, byrazylya, piraciliya, Μπραζίλια, Бразилиа, Бразилия, Бразилия шаары, Бразилија, Бразиліа, Бразілія, Ҳавзаи федералии Бразилиа, Բրազիլիա, בראזיליא, ברזיליה, بئرازیلیا, برازيليا, برازیلیا, برازیلیہ, براسیلیا, بەڕازیلیا, ބްރަސީލިއާ, ब्रसिलिया, ब्राझिलिया, ब्रासीलिया, ব্রাসিলিয়া, ਬ੍ਰਾਜ਼ੀਲੀਆ, ବ୍ରାସିଲିଆ, பிரசிலியா, ಬ್ರೆಸಿಲಿಯಾ, ബ്രസീലിയ, บราซีเลีย, པུ་རུ་ཟི་ལི་ཡ།, ဘရာစေးလေးယားမြို့, ბრაზილია, ብራዚሊያ, ブラジリア, 巴西利亚, 巴西利亞, 브라질리아
Population
2,207,718
Currency
Real (BRL)
Geographic Coordinates
15° 46' S Latitude / 47° 55' W Longitude
International Dialing Code
+55