IST
India Standard Time
GMT +5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
GMT
Greenwich Mean Time
GMT +0
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Kenya
EAT
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare IST time with GMT and Nairobi time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

India Standard Time is 5 hours and 30 minutes ahead of Greenwich Mean Time and 2 hours and 30 minutes ahead of EAT (Eastern Africa Time)
5:30 pm17:30 in IST is 12:00 pm12:00 in GMT and is 3:00 pm15:00 in Nairobi, Kenya

IST to GMT call time
Best time for a conference call or a meeting is between 2:30pm-5pm in IST which corresponds to 9am-11:30am in GMT
IST to Nairobi call time
Best time for a conference call or a meeting is between 11:30am-5pm in IST which corresponds to 9am-2:30pm in Nairobi

5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours
12:00 pm12:00 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
3:00 pm15:00 EAT (Eastern Africa Time) (Nairobi, Kenya). Offset UTC +3:00 hours

5:30 pm17:30 IST / 12:00 pm12:00 GMT / 3:00 pm15:00 Nairobi, Kenya

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

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

Greenwich Mean Time

Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Burkina Faso, Côte d'Ivoire, Britain (UK), Guernsey, Ghana, Greenland, Gambia, Guinea, Guinea-Bissau, Ireland, Isle of Man, Iceland, Jersey, Liberia, Mali, Mauritania, St Helena, Sierra Leone, Senegal, Sao Tome & Principe, Togo

Principal Cities: The largest city in the GMT time zone is London in United Kingdom, with about 7.557 million people. Other major cities in this time zone include Abidjan, Dakar, Grand Dakar, Accra.

Greenwich Mean Time (GMT) originally referred to the mean solar time at the Royal Observatory in Greenwich, London. It is now often used to refer to Coordinated Universal Time (UTC) when this is viewed as a time zone, and in casual use for the most parts it is the same. In military GMT is known as Zulu time.Greenwich Mean Time was the same as Universal Time (UT), until the introduction of UTC in 1972 a standard astronomical concept used in many technical fields.

GMT Time Zone Geo Map
GMT timezone map

GMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for GMT
  • Z - short form of 'Zulu'
IANA/Olson: Reflects GMT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Abidjan
  • Africa/Accra
  • Africa/Bamako
  • Africa/Banjul
  • Africa/Bissau
  • Africa/Conakry
  • Africa/Dakar
  • Africa/Freetown
  • Africa/Lome
  • Africa/Monrovia
  • Africa/Nouakchott
  • Africa/Ouagadougou
  • Africa/Sao_Tome
  • Africa/Timbuktu
  • America/Danmarkshavn
  • Atlantic/Reykjavik
  • Atlantic/St_Helena
  • Eire
  • Etc/GMT
  • Etc/GMT+0
  • Etc/GMT-0
  • Etc/GMT0
  • Etc/Greenwich
  • Europe/Belfast
  • Europe/Dublin
  • Europe/Guernsey
  • Europe/Isle_of_Man
  • Europe/Jersey
  • Europe/London
  • GB
  • GB-Eire
  • GMT
  • GMT+0
  • GMT-0
  • GMT0
  • Greenwich
  • Iceland
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Nairobi Information

Time Zone

Abbreviation / Name
EAT - Eastern Africa Time
UTC / GMT Offset
+3:00 hours during Eastern Africa Time, currently in use.

Nairobi Facts

Country
Kenya
Alternative Names
NBO, Nairoba, Nairobi, Nairobia, Nairobis, Nairobo, Nairoby, Nairobî, Nairompi, Nairòbi, Nairóbi, Najrobi, Najrobo, Nayrobi, Nayroobi, Naíróbí, Naýrobi, na'irobi, nai luo bi, nailobi, nairobi, nairopi, nayreabi, nayrwby, nei luo bi, nirobi, nyrwby, nyyrwby, Ναϊρόμπι, Найроби, Найробі, Најроби, Նայրոբի, נייראבי, ניירובי, نايروبى, نایروبی, نایرۆبی, نيروبي, نیروبی, नैरोबी, নাইরোবি, ਨੈਰੋਬੀ, நைரோபி, ನೈರೋಬಿ, നയ്റോബി, ไนโรบี, ནའི་རོ་བི།, နိုင်ရိုဘီမြို့, ნაირობი, ናይሮቢ, ナイロビ, 内罗毕, 奈洛比, 나이로비
Population
2,750,547
Currency
Shilling (KES)
Geographic Coordinates
1° 16' S Latitude / 36° 49' E Longitude
International Dialing Code
+254