SGT to Tokyo to ACDT to Auckland to CST to London Time Converter
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 1.
Mexico City and Saskatchewan stay on CST (UTC−6).
Quick answers
Selected conversion
5:00 pm17:00 SGT (UTC+8), Oct 6, 2026 = 6:00 pm18:00 JST (UTC+9), Oct 6, 2026 = 7:30 pm19:30 ACDT (UTC+10:30), Oct 6, 2026 = 10:00 pm22:00 NZDT (UTC+13), Oct 6, 2026 = 4:00 am04:00 CDT (UTC-5), Oct 6, 2026 = 10:00 am10:00 BST (UTC+1), Oct 6, 2026
SGT is 1 hour behind Tokyo. SGT is 2 hours and 30 minutes behind ACDT. SGT is 5 hours behind Auckland. SGT is 13 hours ahead of CDT. SGT is 7 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 5:00 pm in SGT correspond to 10:00 am to 6:00 pm in Tokyo.Working hours of 09:00 to 17:00 in SGT correspond to 10:00 to 18:00 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 5:00 pm in SGT correspond to 10:30 am to 6:30 pm in ACST or working hours of 9:00 am to 5:00 pm in SGT correspond to 11:30 am to 7:30 pm in ACDT.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in SGT correspond to 10:30 to 18:30 in ACST or working hours of 09:00 to 17:00 in SGT correspond to 11:30 to 19:30 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 5:00 pm in SGT correspond to 1:00 pm to 9:00 pm in Auckland or working hours of 9:00 am to 5:00 pm in SGT correspond to 2:00 pm to 10:00 pm in Auckland.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in SGT correspond to 13:00 to 21:00 in Auckland or working hours of 09:00 to 17:00 in SGT correspond to 14:00 to 22:00 in Auckland.
SGT to CST
For most of the year, SGT is 13 hours ahead of CDT. At other times of the year, SGT is 14 hours ahead of CST.
For most of the year, working hours of 9:00 am to 5:00 pm in SGT correspond to 8:00 pm (previous day) to 4:00 am in CDT. At other times of the year, working hours of 9:00 am to 5:00 pm in SGT correspond to 7:00 pm (previous day) to 3:00 am in CST.For most of the year, working hours of 09:00 to 17:00 in SGT correspond to 20:00 (previous day) to 04:00 in CDT. At other times of the year, working hours of 09:00 to 17:00 in SGT correspond to 19:00 (previous day) to 03:00 in CST.
SGT to London
For most of the year, SGT is 7 hours ahead of London. At other times of the year, SGT is 8 hours ahead of London.
For most of the year, working hours of 9:00 am to 5:00 pm in SGT correspond to 2:00 am to 10:00 am in London. At other times of the year, working hours of 9:00 am to 5:00 pm in SGT correspond to 1:00 am to 9:00 am in London.For most of the year, working hours of 09:00 to 17:00 in SGT correspond to 02:00 to 10:00 in London. At other times of the year, working hours of 09:00 to 17:00 in SGT correspond to 01:00 to 09:00 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 13 hours ahead of Central Daylight Time. Singapore Time is 7 hours ahead of BST (British Summer Time).
5:00 pm17:00 in SGT is 6:00 pm18:00 in Tokyo, Japan and is 7:30 pm19:30 in ACDT and is 10:00 pm22:00 in Auckland, New Zealand and is 4:00 am04:00 in CDT and is 10:00 am10:00 in London, United Kingdom
SGT to Tokyo call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in SGT which corresponds to 10am-5pm10:00-17:00 in Tokyo
SGT to ACDT call time
Best time for a conference call or a meeting is between 9am-2:30pm09:00-14:30 in SGT which corresponds to 11:30am-5pm11:30-17:00 in ACDT
SGT to Auckland call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in SGT which corresponds to 2pm-5pm14:00-17:00 in Auckland
SGT to CDT call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in SGT which corresponds to 6pm-7pm18:00-19:00 in CDT (previous day)
SGT to London call time
Best time for a conference call or a meeting is between 4pm-5pm16:00-17:00 in SGT which corresponds to 9am-10am09:00-10:00 in London
5:00 pm17:00 Singapore Time (SGT). Offset UTC +8:00 hours
6:00 pm18:00 JST (Japan Standard Time) (Tokyo, Japan). Offset UTC +9:00 hours
7:30 pm19:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
10:00 pm22:00 NZDT (New Zealand Daylight Time) (Auckland, New Zealand). Offset UTC +13:00 hours
4:00 am04:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
10:00 am10:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
5:00 pm17:00 SGT / 6:00 pm18:00 Tokyo, Japan / 7:30 pm19:30 ACDT / 10:00 pm22:00 Auckland, New Zealand / 4:00 am04:00 CDT / 10:00 am10:00 London, United Kingdom
| SGT | Tokyo, Japan | ACDT | Auckland, New Zealand | CDT | London, United Kingdom |
|---|---|---|---|---|---|
| 12:00am | 1:00am | 2:30am | 5:00am | 11:00am | 5:00pm |
| 1:00am | 2:00am | 3:30am | 6:00am | 12:00pm | 6:00pm |
| 2:00am | 3:00am | 4:30am | 7:00am | 1:00pm | 7:00pm |
| 3:00am | 4:00am | 5:30am | 8:00am | 2:00pm | 8:00pm |
| 4:00am | 5:00am | 6:30am | 9:00am | 3:00pm | 9:00pm |
| 5:00am | 6:00am | 7:30am | 10:00am | 4:00pm | 10:00pm |
| 6:00am | 7:00am | 8:30am | 11:00am | 5:00pm | 11:00pm |
| 7:00am | 8:00am | 9:30am | 12:00pm | 6:00pm | 12:00am |
| 8:00am | 9:00am | 10:30am | 1:00pm | 7:00pm | 1:00am |
| 9:00am | 10:00am | 11:30am | 2:00pm | 8:00pm | 2:00am |
| 10:00am | 11:00am | 12:30pm | 3:00pm | 9:00pm | 3:00am |
| 11:00am | 12:00pm | 1:30pm | 4:00pm | 10:00pm | 4:00am |
| 12:00pm | 1:00pm | 2:30pm | 5:00pm | 11:00pm | 5:00am |
| 1:00pm | 2:00pm | 3:30pm | 6:00pm | 12:00am | 6:00am |
| 2:00pm | 3:00pm | 4:30pm | 7:00pm | 1:00am | 7:00am |
| 3:00pm | 4:00pm | 5:30pm | 8:00pm | 2:00am | 8:00am |
| 4:00pm | 5:00pm | 6:30pm | 9:00pm | 3:00am | 9:00am |
| 5:00pm | 6:00pm | 7:30pm | 10:00pm | 4:00am | 10:00am |
| 6:00pm | 7:00pm | 8:30pm | 11:00pm | 5:00am | 11:00am |
| 7:00pm | 8:00pm | 9:30pm | 12:00am | 6:00am | 12:00pm |
| 8:00pm | 9:00pm | 10:30pm | 1:00am | 7:00am | 1:00pm |
| 9:00pm | 10:00pm | 11:30pm | 2:00am | 8:00am | 2:00pm |
| 10:00pm | 11:00pm | 12:30am | 3:00am | 9:00am | 3:00pm |
| 11:00pm | 12:00am | 1:30am | 4:00am | 10:00am | 4:00pm |
| 00:00 | 01:00 | 02:30 | 05:00 | 11:00 | 17:00 |
| 01:00 | 02:00 | 03:30 | 06:00 | 12:00 | 18:00 |
| 02:00 | 03:00 | 04:30 | 07:00 | 13:00 | 19:00 |
| 03:00 | 04:00 | 05:30 | 08:00 | 14:00 | 20:00 |
| 04:00 | 05:00 | 06:30 | 09:00 | 15:00 | 21:00 |
| 05:00 | 06:00 | 07:30 | 10:00 | 16:00 | 22:00 |
| 06:00 | 07:00 | 08:30 | 11:00 | 17:00 | 23:00 |
| 07:00 | 08:00 | 09:30 | 12:00 | 18:00 | 00:00 |
| 08:00 | 09:00 | 10:30 | 13:00 | 19:00 | 01:00 |
| 09:00 | 10:00 | 11:30 | 14:00 | 20:00 | 02:00 |
| 10:00 | 11:00 | 12:30 | 15:00 | 21:00 | 03:00 |
| 11:00 | 12:00 | 13:30 | 16:00 | 22:00 | 04:00 |
| 12:00 | 13:00 | 14:30 | 17:00 | 23:00 | 05:00 |
| 13:00 | 14:00 | 15:30 | 18:00 | 00:00 | 06:00 |
| 14:00 | 15:00 | 16:30 | 19:00 | 01:00 | 07:00 |
| 15:00 | 16:00 | 17:30 | 20:00 | 02:00 | 08:00 |
| 16:00 | 17:00 | 18:30 | 21:00 | 03:00 | 09:00 |
| 17:00 | 18:00 | 19:30 | 22:00 | 04:00 | 10:00 |
| 18:00 | 19:00 | 20:30 | 23:00 | 05:00 | 11:00 |
| 19:00 | 20:00 | 21:30 | 00:00 | 06:00 | 12:00 |
| 20:00 | 21:00 | 22:30 | 01:00 | 07:00 | 13:00 |
| 21:00 | 22:00 | 23:30 | 02:00 | 08:00 | 14:00 |
| 22:00 | 23:00 | 00:30 | 03:00 | 09:00 | 15:00 |
| 23:00 | 00:00 | 01:30 | 04:00 | 10:00 | 16:00 |
Singapore Time
Offset: SGT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia
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.
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 Information
Time Zone
Tokyo Facts
Australian Central Daylight Time
Offset: ACDT is 10 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
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 Adelaide Hills, Mount Gambier, Morphett Vale, Broken Hill.
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.
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 Information
Time Zone
NZST - New Zealand Standard Time
+12:00 hours during New Zealand Standard Time.
Sunday, September 27, 2026 at 2:00 amSunday, September 27, 2026 at 02:00 local time. DST starts annually on the last Sunday of September. Clocks are turned forward 1 hour to Sunday, September 27, 2026 at 3:00 amSunday, September 27, 2026 at 03:00 local daylight time instead. Also called Spring Forward or Summer Time.Sunday, April 5, 2026 at 3:00 amSunday, April 5, 2026 at 03:00 local time. DST ends annually on the 1st Sunday of April. Clocks are turned backward 1 hour to Sunday, April 5, 2026 at 2:00 amSunday, April 5, 2026 at 02:00 local standard time instead. Also called Fall Back or switch to Winter Time.Auckland Facts
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, 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, Iztapalapa, Ecatepec.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
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).
End: Central Standard Time (CST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Central Standard Time (CST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
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 Information
Time Zone
GMT - Greenwich Mean Time
+0:00 hours during Greenwich Mean Time.
Sunday, March 29, 2026 at 1:00 amSunday, March 29, 2026 at 01:00 local time. DST starts annually on the last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 29, 2026 at 2:00 amSunday, March 29, 2026 at 02:00 local daylight time instead. Also called Spring Forward or Summer Time.Sunday, October 25, 2026 at 2:00 amSunday, October 25, 2026 at 02:00 local time. DST ends annually on the last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 25, 2026 at 1:00 amSunday, October 25, 2026 at 01:00 local standard time instead. Also called Fall Back or switch to Winter Time.