SGT to Tokyo to ACDT to Auckland to CST to London Time Converter
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11:30 pm23:30 SGT (UTC+8), Nov 1, 2026 = 12:30 am00:30 JST (UTC+9), Nov 2, 2026 = 2:00 am02:00 ACDT (UTC+10:30), Nov 2, 2026 = 4:30 am04:30 NZDT (UTC+13), Nov 2, 2026 = 9:30 am09:30 CST (UTC-6), Nov 1, 2026 = 3:30 pm15:30 GMT (UTC+0), Nov 1, 2026
SGT is 1 hour behind Tokyo. SGT is 2 hours and 30 minutes behind ACDT. SGT is 5 hours behind Auckland. SGT is 14 hours ahead of CST. SGT is 8 hours ahead of London.
How the time difference changes
SGT to Tokyo
SGT is 1 hour behind Tokyo year-round.
Working hours of 9:00 am to 6:00 pm in SGT correspond to 10:00 am to 7:00 pm in Tokyo.Working hours of 09:00 to 18:00 in SGT correspond to 10:00 to 19:00 in Tokyo.
SGT to ACDT
Depending on seasonal clock changes, SGT is 1 hour and 30 minutes behind ACST or SGT is 2 hours and 30 minutes behind ACDT.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in SGT correspond to 10:30 am to 7:30 pm in ACST or working hours of 9:00 am to 6:00 pm in SGT correspond to 11:30 am to 8:30 pm in ACDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in SGT correspond to 10:30 to 19:30 in ACST or working hours of 09:00 to 18:00 in SGT correspond to 11:30 to 20:30 in ACDT.
SGT to Auckland
Depending on seasonal clock changes, SGT is 4 hours behind Auckland or SGT is 5 hours behind Auckland.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in SGT correspond to 1:00 pm to 10:00 pm in Auckland or working hours of 9:00 am to 6:00 pm in SGT correspond to 2:00 pm to 11:00 pm in Auckland.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in SGT correspond to 13:00 to 22:00 in Auckland or working hours of 09:00 to 18:00 in SGT correspond to 14:00 to 23:00 in Auckland.
SGT to CST
For most of the year, SGT is 13 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, SGT is 14 hours ahead of CST.
For most of the year, working hours of 9:00 am to 6:00 pm in SGT correspond to 8:00 pm (previous day) to 5:00 am in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in SGT correspond to 7:00 pm (previous day) to 4:00 am in CST.For most of the year, working hours of 09:00 to 18:00 in SGT correspond to 20:00 (previous day) to 05:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in SGT correspond to 19:00 (previous day) to 04:00 in CST.
SGT to London
For most of the year, SGT is 7 hours ahead of London. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, SGT is 8 hours ahead of London.
For most of the year, working hours of 9:00 am to 6:00 pm in SGT correspond to 2:00 am to 11:00 am in London. At other times of the year, working hours of 9:00 am to 6:00 pm in SGT correspond to 1:00 am to 10:00 am in London.For most of the year, working hours of 09:00 to 18:00 in SGT correspond to 02:00 to 11:00 in London. At other times of the year, working hours of 09:00 to 18:00 in SGT correspond to 01:00 to 10:00 in London.
Compare SGT time with Tokyo, ACDT, Auckland, CST, and London time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Singapore Time is 1 hour behind JST (Japan Standard Time). Singapore Time is 2 hours and 30 minutes behind Australian Central Daylight Time. Singapore Time is 5 hours behind NZDT (New Zealand Daylight Time). Singapore Time is 14 hours ahead of Central Standard Time. Singapore Time is 8 hours ahead of GMT (Greenwich Mean Time).
11:30 pm23:30 in SGT is 12:30 am00:30 in Tokyo, Japan and is 2:00 am02:00 in ACDT and is 4:30 am04:30 in Auckland, New Zealand and is 9:30 am09:30 in CST and is 3:30 pm15:30 in London, United Kingdom
SGT to Tokyo call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in SGT which corresponds to 10am-6pm10:00-18:00 in Tokyo
SGT to ACDT call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in SGT which corresponds to 11:30am-6pm11:30-18:00 in ACDT
SGT to Auckland call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in SGT which corresponds to 2pm-6pm14:00-18:00 in Auckland
SGT to CDT call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in SGT which corresponds to 6:30pm-7:30pm18:30-19:30 in CDT (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
SGT to London call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in SGT which corresponds to 9am-10am09:00-10:00 in London
11:30 pm23:30 Singapore Time (SGT). Offset UTC +8:00 hours
12:30 am00:30 JST (Japan Standard Time) (Tokyo, Japan). Offset UTC +9:00 hours
2:00 am02:00 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
4:30 am04:30 NZDT (New Zealand Daylight Time) (Auckland, New Zealand). Offset UTC +13:00 hours
9:30 am09:30 Central Standard Time (CST). Offset UTC -6:00 hours
3:30 pm15:30 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
11:30 pm23:30 SGT / 12:30 am00:30 Tokyo, Japan / 2:00 am02:00 ACDT / 4:30 am04:30 Auckland, New Zealand / 9:30 am09:30 CST / 3:30 pm15:30 London, United Kingdom
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| SGT | Tokyo, Japan | ACDT | Auckland, New Zealand | CST | London, United Kingdom |
|---|---|---|---|---|---|
| 1:00am | 2:30am | 5:00am | 11:00am previous day CDT UTC-5 | 4:00pm previous day | |
| 2:00am | 3:30am | 6:00am | 12:00pm previous day CDT UTC-5 | 5:00pm previous day | |
| 3:00am | 4:30am | 7:00am | 1:00pm previous day CDT UTC-5 | 6:00pm previous day | |
| 4:00am | 5:30am | 8:00am | 2:00pm previous day CDT UTC-5 | 7:00pm previous day | |
| 5:00am | 6:30am | 9:00am | 3:00pm previous day CDT UTC-5 | 8:00pm previous day | |
| 6:00am | 7:30am | 10:00am | 4:00pm previous day CDT UTC-5 | 9:00pm previous day | |
| 7:00am | 8:30am | 11:00am | 5:00pm previous day CDT UTC-5 | 10:00pm previous day | |
| 8:00am | 9:30am | 12:00pm | 6:00pm previous day CDT UTC-5 | 11:00pm previous day | |
| 9:00am | 10:30am | 1:00pm | 7:00pm previous day CDT UTC-5 | 12:00am | |
| 10:00am | 11:30am | 2:00pm | 8:00pm previous day CDT UTC-5 | 1:00am | |
| 11:00am | 12:30pm | 3:00pm | 9:00pm previous day CDT UTC-5 | 2:00am | |
| 12:00pm | 1:30pm | 4:00pm | 10:00pm previous day CDT UTC-5 | 3:00am | |
| 1:00pm | 2:30pm | 5:00pm | 11:00pm previous day CDT UTC-5 | 4:00am | |
| 2:00pm | 3:30pm | 6:00pm | 12:00am CDT UTC-5 | 5:00am | |
| 3:00pm | 4:30pm | 7:00pm | 1:00am CDT UTC-5 | 6:00am | |
| 4:00pm | 5:30pm | 8:00pm | 1:00am | 7:00am | |
| 5:00pm | 6:30pm | 9:00pm | 2:00am | 8:00am | |
| 6:00pm | 7:30pm | 10:00pm | 3:00am | 9:00am | |
| 7:00pm | 8:30pm | 11:00pm | 4:00am | 10:00am | |
| 8:00pm | 9:30pm | 12:00am next day | 5:00am | 11:00am | |
| 9:00pm | 10:30pm | 1:00am next day | 6:00am | 12:00pm | |
| 10:00pm | 11:30pm | 2:00am next day | 7:00am | 1:00pm | |
| 11:00pm | 12:30am next day | 3:00am next day | 8:00am | 2:00pm | |
| 12:00am next day | 1:30am next day | 4:00am next day | 9:00am | 3:00pm | |
| 01:00 | 02:30 | 05:00 | 11:00 previous day CDT UTC-5 | 16:00 previous day | |
| 02:00 | 03:30 | 06:00 | 12:00 previous day CDT UTC-5 | 17:00 previous day | |
| 03:00 | 04:30 | 07:00 | 13:00 previous day CDT UTC-5 | 18:00 previous day | |
| 04:00 | 05:30 | 08:00 | 14:00 previous day CDT UTC-5 | 19:00 previous day | |
| 05:00 | 06:30 | 09:00 | 15:00 previous day CDT UTC-5 | 20:00 previous day | |
| 06:00 | 07:30 | 10:00 | 16:00 previous day CDT UTC-5 | 21:00 previous day | |
| 07:00 | 08:30 | 11:00 | 17:00 previous day CDT UTC-5 | 22:00 previous day | |
| 08:00 | 09:30 | 12:00 | 18:00 previous day CDT UTC-5 | 23:00 previous day | |
| 09:00 | 10:30 | 13:00 | 19:00 previous day CDT UTC-5 | 00:00 | |
| 10:00 | 11:30 | 14:00 | 20:00 previous day CDT UTC-5 | 01:00 | |
| 11:00 | 12:30 | 15:00 | 21:00 previous day CDT UTC-5 | 02:00 | |
| 12:00 | 13:30 | 16:00 | 22:00 previous day CDT UTC-5 | 03:00 | |
| 13:00 | 14:30 | 17:00 | 23:00 previous day CDT UTC-5 | 04:00 | |
| 14:00 | 15:30 | 18:00 | 00:00 CDT UTC-5 | 05:00 | |
| 15:00 | 16:30 | 19:00 | 01:00 CDT UTC-5 | 06:00 | |
| 16:00 | 17:30 | 20:00 | 01:00 | 07:00 | |
| 17:00 | 18:30 | 21:00 | 02:00 | 08:00 | |
| 18:00 | 19:30 | 22:00 | 03:00 | 09:00 | |
| 19:00 | 20:30 | 23:00 | 04:00 | 10:00 | |
| 20:00 | 21:30 | 00:00 next day | 05:00 | 11:00 | |
| 21:00 | 22:30 | 01:00 next day | 06:00 | 12:00 | |
| 22:00 | 23:30 | 02:00 next day | 07:00 | 13:00 | |
| 23:00 | 00:30 next day | 03:00 next day | 08:00 | 14:00 | |
| 00:00 next day | 01:30 next day | 04:00 next day | 09:00 | 15:00 |
Singapore Time
Offset: SGT is 8 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Singapore
Principal Cities: The largest city in the SGT time zone is Singapore in Singapore, with about 5.639 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; see upcoming clock changes worldwide.
Current time in Singapore: Singapore time now
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 an offset of eight hours to the east of the zero meridian.
- Hotel - Military abbreviation for SGT
- H - short form of 'Hotel'
- 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
Tokyo Time Zone and Facts
Time Zone
Tokyo Facts
Australian Central Daylight Time
Offset: ACDT is 10 hours and 30 minutes ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Australia
Principal Cities: The largest city in the ACDT time zone is Adelaide in Australia, with about 1.469 million people. Other major cities in this time zone include Mount Gambier, Mount Barker, Whyalla, Gawler.
Today all shaded areas are on ACDT.
Daylight Saving: Australian Central Daylight Time (ACDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Australian Central Standard Time (ACST).
Start: Australian Central Daylight Time (ACDT) started on Sunday, October 4, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, October 4, 2026, 3:00 am03:00. Daylight saving starts annually on the first Sunday of October.
End: Australian Central Daylight Time (ACDT) ends on Sunday, April 4, 2027 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, April 4, 2027, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the first Sunday of April.
See Australia daylight saving time and upcoming clock changes worldwide.
ACDT representations, usage and related time zones
- +1030 - basic
- +10:30 - extended
- +1030 - sign character (+) followed by a four digit time providing hours (10) and minutes (30) of the offset. Indicates an offset of ten hours and thirty minutes to the east of the zero meridian.
- Australia/Adelaide
- Australia/Broken_Hill
- Australia/South
- Australia/Yancowinna
- ACDT - Australian Central Daylight Time
- LHST - Lord Howe Standard Time
Auckland Time Zone and Facts
Time Zone
NZST – New Zealand Standard Time, UTC+12 (standard time)
Auckland Facts
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Today all shaded areas are on CST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).
Start: Central Standard Time (CST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Central Standard Time (CST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
CST representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
London Time Zone and Facts
Time Zone
BST – British Summer Time, UTC+1 (daylight saving time)