SGT
Singapore Time
GMT +8
UTC
Universal Time Coordinated
GMT +0
IST
India Standard Time
GMT +5:30

Time Difference

Singapore Time is 8 hours ahead of Universal Time Coordinated and 2 hours and 30 minutes ahead of India Standard Time
1:00 am01:00 in SGT is 5:00 pm17:00 in UTC and is 10:30 pm22:30 in IST

SGT to UTC call time
Best time for a conference call or a meeting is between 4pm-6pm in SGT which corresponds to 8am-10am in UTC
SGT to IST call time
Best time for a conference call or a meeting is between 10:30am-6pm in SGT which corresponds to 8am-3:30pm in IST

1:00 am01:00 Singapore Time (SGT). Offset UTC +8:00 hours
5:00 pm17:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
10:30 pm22:30 India Standard Time (IST). Offset UTC +5:30 hours

1:00 am01:00 SGT / 5:00 pm17:00 UTC / 10:30 pm22:30 IST

SGT UTC IST
12am (midnight) 4pm 9:30 pm
1am 5pm 10:30 pm
2am 6pm 11:30 pm
3am 7pm 12:30 am
4am 8pm 1:30 am
5am 9pm 2:30 am
6am 10pm 3:30 am
7am 11pm 4:30 am
8am 12am (midnight) 5:30 am
9am 1am 6:30 am
10am 2am 7:30 am
11am 3am 8:30 am
12pm (noon) 4am 9:30 am
1pm 5am 10:30 am
2pm 6am 11:30 am
3pm 7am 12:30 pm
4pm 8am 1:30 pm
5pm 9am 2:30 pm
6pm 10am 3:30 pm
7pm 11am 4:30 pm
8pm 12pm (noon) 5:30 pm
9pm 1pm 6:30 pm
10pm 2pm 7:30 pm
11pm 3pm 8:30 pm
0:00 16:00 21:30
1:00 17:00 22:30
2:00 18:00 23:30
3:00 19:00 0:30
4:00 20:00 1:30
5:00 21:00 2:30
6:00 22:00 3:30
7:00 23:00 4:30
8:00 0:00 5:30
9:00 1:00 6:30
10:00 2:00 7:30
11:00 3:00 8:30
12:00 4:00 9:30
13:00 5:00 10:30
14:00 6:00 11:30
15:00 7:00 12:30
16:00 8:00 13:30
17:00 9:00 14:30
18:00 10:00 15:30
19:00 11:00 16:30
20:00 12:00 17:30
21:00 13:00 18:30
22:00 14:00 19:30
23:00 15:00 20:30

Singapore Time

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

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 eight hour and zero minutes time differences 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

Universal Time Coordinated

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

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but is used by the scientific community.
UTC is the time standard commonly used across the world since 1972. It is used in many technical fields, like aviation industry and meteorologists, also used to synchronize time across internet networks.

UTC 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 zero hour and zero minutes time differences of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
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

India Standard Time

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

Countries: It is used in following countries: India

Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai

Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same

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 five hour and thirty minutes time differences 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
  • Irkutsk Standard Time - UTC +8