SGT to Hanoi, Vietnam to EST to GMT
Time Difference
Singapore Time is 1 hour ahead of and 13 hours ahead of Eastern Standard Time and 8 hours ahead of Greenwich Mean Time
8:30 am08:30 in SGT is 7:30 am07:30 in Hanoi, Vietnam and is 7:30 pm19:30 in EST and is 12:30 am00:30 in GMT
SGT to Hanoi call time
Best time for a conference call or a meeting is between 9am-6pm in SGT which corresponds to 8am-5pm in Hanoi
SGT to EST call time
Best time for a conference call or a meeting is between 7:30pm-9:30pm in SGT which corresponds to 6:30am-8:30am in EST
SGT to GMT call time
Best time for a conference call or a meeting is between 4pm-6pm in SGT which corresponds to 8am-10am in GMT
8:30 am08:30 Singapore Time (SGT). Offset UTC +8:00 hours
7:30 am07:30 (Hanoi, Vietnam). Offset UTC +7:00 hours
7:30 pm19:30 Eastern Standard Time (EST). Offset UTC -5:00 hours
12:30 am00:30 Greenwich Mean Time (GMT). Offset UTC 0:00 hours
8:30 am08:30 SGT / 7:30 am07:30 Hanoi, Vietnam / 7:30 pm19:30 EST / 12:30 am00:30 GMT
| SGT | Hanoi, Vietnam | EST | GMT |
|---|---|---|---|
| 12am (midnight) | 11pm | 11am | 4pm |
| 1am | 12am (midnight) | 12pm (noon) | 5pm |
| 2am | 1am | 1pm | 6pm |
| 3am | 2am | 2pm | 7pm |
| 4am | 3am | 3pm | 8pm |
| 5am | 4am | 4pm | 9pm |
| 6am | 5am | 5pm | 10pm |
| 7am | 6am | 6pm | 11pm |
| 8am | 7am | 7pm | 12am (midnight) |
| 9am | 8am | 8pm | 1am |
| 10am | 9am | 9pm | 2am |
| 11am | 10am | 10pm | 3am |
| 12pm (noon) | 11am | 11pm | 4am |
| 1pm | 12pm (noon) | 12am (midnight) | 5am |
| 2pm | 1pm | 1am | 6am |
| 3pm | 2pm | 2am | 7am |
| 4pm | 3pm | 3am | 8am |
| 5pm | 4pm | 4am | 9am |
| 6pm | 5pm | 5am | 10am |
| 7pm | 6pm | 6am | 11am |
| 8pm | 7pm | 7am | 12pm (noon) |
| 9pm | 8pm | 8am | 1pm |
| 10pm | 9pm | 9am | 2pm |
| 11pm | 10pm | 10am | 3pm |
| 0:00 | 23:00 | 11:00 | 16:00 |
| 1:00 | 0:00 | 12:00 | 17:00 |
| 2:00 | 1:00 | 13:00 | 18:00 |
| 3:00 | 2:00 | 14:00 | 19:00 |
| 4:00 | 3:00 | 15:00 | 20:00 |
| 5:00 | 4:00 | 16:00 | 21:00 |
| 6:00 | 5:00 | 17:00 | 22:00 |
| 7:00 | 6:00 | 18:00 | 23:00 |
| 8:00 | 7:00 | 19:00 | 0:00 |
| 9:00 | 8:00 | 20:00 | 1:00 |
| 10:00 | 9:00 | 21:00 | 2:00 |
| 11:00 | 10:00 | 22:00 | 3:00 |
| 12:00 | 11:00 | 23:00 | 4:00 |
| 13:00 | 12:00 | 0:00 | 5:00 |
| 14:00 | 13:00 | 1:00 | 6:00 |
| 15:00 | 14:00 | 2:00 | 7:00 |
| 16:00 | 15:00 | 3:00 | 8:00 |
| 17:00 | 16:00 | 4:00 | 9:00 |
| 18:00 | 17:00 | 5:00 | 10:00 |
| 19:00 | 18:00 | 6:00 | 11:00 |
| 20:00 | 19:00 | 7:00 | 12:00 |
| 21:00 | 20:00 | 8:00 | 13:00 |
| 22:00 | 21:00 | 9:00 | 14:00 |
| 23:00 | 22:00 | 10:00 | 15:00 |
Singapore Time
Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia
SGT representations, usage and related time zones
- +08 - basic short
- +0800 - basic
- +08:00 - extended
- +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.
- Hotel - Military abbreviation for SGT
- H - short form of 'Hotel'
- Singapore Time - UTC +8
- South Georgia Time - UTC -2
- 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
Hanoi Information
Time Zone
ICT - Indochina Time
+7:00 hours during Indochina Time.
Hanoi Facts
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States
Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).
Start: 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 the on first Sunday of November.
End: 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 starts annually the on second Sunday of March.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- 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
- 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
Greenwich Mean Time
Offset: GMT is 0 hours ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: 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 timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are 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 representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +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.
- Zulu - Military abbreviation for GMT
- Z - short form of 'Zulu'
- 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
- Greenwich Mean Time - UTC +0
- GMT+05:00 - UTC +5
- GMT+03:00 - UTC +3
- GMT - UTC +1
- GMT-01:00 - UTC -1
- GMT+11:00 - UTC +11
- 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