London to CST to Auckland to ACDT to Tokyo to SGT Time Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
5:00 pm17:00 GMT (UTC+0), Nov 1, 2026 = 11:00 am11:00 CST (UTC-6), Nov 1, 2026 = 6:00 am06:00 NZDT (UTC+13), Nov 2, 2026 = 3:30 am03:30 ACDT (UTC+10:30), Nov 2, 2026 = 2:00 am02:00 JST (UTC+9), Nov 2, 2026 = 1:00 am01:00 SGT (UTC+8), Nov 2, 2026
London is 6 hours ahead of CST. London is 13 hours behind Auckland. London is 10 hours and 30 minutes behind ACDT. London is 9 hours behind Tokyo. London is 8 hours behind SGT.
How the time difference changes
London to CST
For most of the year, London is 6 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, London is 6 hours ahead of CST. From Mar 14 to Mar 28, 2027, and from Oct 31 to Nov 7, 2027, London is 5 hours ahead of CDT.
For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 3:00 am to 12:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 3:00 am to 12:00 pm in CST or working hours of 9:00 am to 6:00 pm in London correspond to 4:00 am to 1:00 pm in CDT.For most of the year, working hours of 09:00 to 18:00 in London correspond to 03:00 to 12:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 03:00 to 12:00 in CST or working hours of 09:00 to 18:00 in London correspond to 04:00 to 13:00 in CDT.
London to Auckland
Depending on seasonal clock changes, London is 11 hours behind Auckland, London is 12 hours behind Auckland, or London is 13 hours behind Auckland.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in London correspond to 8:00 pm to 5:00 am (next day) in Auckland, working hours of 9:00 am to 6:00 pm in London correspond to 9:00 pm to 6:00 am (next day) in Auckland, or working hours of 9:00 am to 6:00 pm in London correspond to 10:00 pm to 7:00 am (next day) in Auckland.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in London correspond to 20:00 to 05:00 (next day) in Auckland, working hours of 09:00 to 18:00 in London correspond to 21:00 to 06:00 (next day) in Auckland, or working hours of 09:00 to 18:00 in London correspond to 22:00 to 07:00 (next day) in Auckland.
London to ACDT
Depending on seasonal clock changes, London is 8 hours and 30 minutes behind ACST, London is 9 hours and 30 minutes behind ACDT, or London is 10 hours and 30 minutes behind ACDT.
Depending on seasonal clock changes, working hours of 9:00 am to 6:00 pm in London correspond to 5:30 pm to 2:30 am (next day) in ACST, working hours of 9:00 am to 6:00 pm in London correspond to 6:30 pm to 3:30 am (next day) in ACDT, or working hours of 9:00 am to 6:00 pm in London correspond to 7:30 pm to 4:30 am (next day) in ACDT.Depending on seasonal clock changes, working hours of 09:00 to 18:00 in London correspond to 17:30 to 02:30 (next day) in ACST, working hours of 09:00 to 18:00 in London correspond to 18:30 to 03:30 (next day) in ACDT, or working hours of 09:00 to 18:00 in London correspond to 19:30 to 04:30 (next day) in ACDT.
London to Tokyo
For most of the year, London is 8 hours behind Tokyo. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, London is 9 hours behind Tokyo.
For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 5:00 pm to 2:00 am (next day) in Tokyo. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 6:00 pm to 3:00 am (next day) in Tokyo.For most of the year, working hours of 09:00 to 18:00 in London correspond to 17:00 to 02:00 (next day) in Tokyo. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 18:00 to 03:00 (next day) in Tokyo.
London to SGT
For most of the year, London is 7 hours behind SGT. From Oct 25, 2026 to Mar 28, 2027, and from Oct 31, 2027 to Mar 26, 2028, London is 8 hours behind SGT.
For most of the year, working hours of 9:00 am to 6:00 pm in London correspond to 4:00 pm to 1:00 am (next day) in SGT. At other times of the year, working hours of 9:00 am to 6:00 pm in London correspond to 5:00 pm to 2:00 am (next day) in SGT.For most of the year, working hours of 09:00 to 18:00 in London correspond to 16:00 to 01:00 (next day) in SGT. At other times of the year, working hours of 09:00 to 18:00 in London correspond to 17:00 to 02:00 (next day) in SGT.
Compare London time with CST, Auckland, ACDT, Tokyo, and SGT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
GMT (Greenwich Mean Time) is 6 hours ahead of Central Standard Time. GMT (Greenwich Mean Time) is 13 hours behind NZDT (New Zealand Daylight Time). GMT (Greenwich Mean Time) is 10 hours and 30 minutes behind Australian Central Daylight Time. GMT (Greenwich Mean Time) is 9 hours behind JST (Japan Standard Time). GMT (Greenwich Mean Time) is 8 hours behind Singapore Time.
5:00 pm17:00 in London, United Kingdom is 11:00 am11:00 in CST and is 6:00 am06:00 in Auckland, New Zealand and is 3:30 am03:30 in ACDT and is 2:00 am02:00 in Tokyo, Japan and is 1:00 am01:00 in SGT
London to CST call time
Best time for a conference call or a meeting is between 3pm-6pm15:00-18:00 in London which corresponds to 9am-12pm09:00-12:00 in CST
London to Auckland call time
Best time for a conference call or a meeting is between 6:30pm-7:30pm18:30-19:30 in London which corresponds to 7:30am-8:30am07:30-08:30 in Auckland (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
London to ACDT call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in London which corresponds to 6:30pm-7:30pm18:30-19:30 in ACDT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
London to Tokyo call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in London which corresponds to 5:30pm-6:30pm17:30-18:30 in Tokyo. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
London to SGT call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in London which corresponds to 5pm-6pm17:00-18:00 in SGT
5:00 pm17:00 GMT (Greenwich Mean Time) (London, United Kingdom). Offset UTC 0:00 hours
11:00 am11:00 Central Standard Time (CST). Offset UTC -6:00 hours
6:00 am06:00 NZDT (New Zealand Daylight Time) (Auckland, New Zealand). Offset UTC +13:00 hours
3:30 am03:30 Australian Central Daylight Time (ACDT). Offset UTC +10:30 hours
2:00 am02:00 JST (Japan Standard Time) (Tokyo, Japan). Offset UTC +9:00 hours
1:00 am01:00 Singapore Time (SGT). Offset UTC +8:00 hours
5:00 pm17:00 London, United Kingdom / 11:00 am11:00 CST / 6:00 am06:00 Auckland, New Zealand / 3:30 am03:30 ACDT / 2:00 am02:00 Tokyo, Japan / 1:00 am01:00 SGT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| London, United Kingdom | CST | Auckland, New Zealand | ACDT | Tokyo, Japan | SGT |
|---|---|---|---|---|---|
| 7:00pm previous day CDT UTC-5 | 1:00pm | 10:30am | 9:00am | 8:00am | |
| 8:00pm previous day CDT UTC-5 | 2:00pm | 11:30am | 10:00am | 9:00am | |
| 9:00pm previous day CDT UTC-5 | 3:00pm | 12:30pm | 11:00am | 10:00am | |
| 10:00pm previous day CDT UTC-5 | 4:00pm | 1:30pm | 12:00pm | 11:00am | |
| 11:00pm previous day CDT UTC-5 | 5:00pm | 2:30pm | 1:00pm | 12:00pm | |
| 12:00am CDT UTC-5 | 6:00pm | 3:30pm | 2:00pm | 1:00pm | |
| 1:00am CDT UTC-5 | 7:00pm | 4:30pm | 3:00pm | 2:00pm | |
| 1:00am | 8:00pm | 5:30pm | 4:00pm | 3:00pm | |
| 2:00am | 9:00pm | 6:30pm | 5:00pm | 4:00pm | |
| 3:00am | 10:00pm | 7:30pm | 6:00pm | 5:00pm | |
| 4:00am | 11:00pm | 8:30pm | 7:00pm | 6:00pm | |
| 5:00am | 12:00am next day | 9:30pm | 8:00pm | 7:00pm | |
| 6:00am | 1:00am next day | 10:30pm | 9:00pm | 8:00pm | |
| 7:00am | 2:00am next day | 11:30pm | 10:00pm | 9:00pm | |
| 8:00am | 3:00am next day | 12:30am next day | 11:00pm | 10:00pm | |
| 9:00am | 4:00am next day | 1:30am next day | 12:00am next day | 11:00pm | |
| 10:00am | 5:00am next day | 2:30am next day | 1:00am next day | 12:00am next day | |
| 11:00am | 6:00am next day | 3:30am next day | 2:00am next day | 1:00am next day | |
| 12:00pm | 7:00am next day | 4:30am next day | 3:00am next day | 2:00am next day | |
| 1:00pm | 8:00am next day | 5:30am next day | 4:00am next day | 3:00am next day | |
| 2:00pm | 9:00am next day | 6:30am next day | 5:00am next day | 4:00am next day | |
| 3:00pm | 10:00am next day | 7:30am next day | 6:00am next day | 5:00am next day | |
| 4:00pm | 11:00am next day | 8:30am next day | 7:00am next day | 6:00am next day | |
| 5:00pm | 12:00pm next day | 9:30am next day | 8:00am next day | 7:00am next day | |
| 19:00 previous day CDT UTC-5 | 13:00 | 10:30 | 09:00 | 08:00 | |
| 20:00 previous day CDT UTC-5 | 14:00 | 11:30 | 10:00 | 09:00 | |
| 21:00 previous day CDT UTC-5 | 15:00 | 12:30 | 11:00 | 10:00 | |
| 22:00 previous day CDT UTC-5 | 16:00 | 13:30 | 12:00 | 11:00 | |
| 23:00 previous day CDT UTC-5 | 17:00 | 14:30 | 13:00 | 12:00 | |
| 00:00 CDT UTC-5 | 18:00 | 15:30 | 14:00 | 13:00 | |
| 01:00 CDT UTC-5 | 19:00 | 16:30 | 15:00 | 14:00 | |
| 01:00 | 20:00 | 17:30 | 16:00 | 15:00 | |
| 02:00 | 21:00 | 18:30 | 17:00 | 16:00 | |
| 03:00 | 22:00 | 19:30 | 18:00 | 17:00 | |
| 04:00 | 23:00 | 20:30 | 19:00 | 18:00 | |
| 05:00 | 00:00 next day | 21:30 | 20:00 | 19:00 | |
| 06:00 | 01:00 next day | 22:30 | 21:00 | 20:00 | |
| 07:00 | 02:00 next day | 23:30 | 22:00 | 21:00 | |
| 08:00 | 03:00 next day | 00:30 next day | 23:00 | 22:00 | |
| 09:00 | 04:00 next day | 01:30 next day | 00:00 next day | 23:00 | |
| 10:00 | 05:00 next day | 02:30 next day | 01:00 next day | 00:00 next day | |
| 11:00 | 06:00 next day | 03:30 next day | 02:00 next day | 01:00 next day | |
| 12:00 | 07:00 next day | 04:30 next day | 03:00 next day | 02:00 next day | |
| 13:00 | 08:00 next day | 05:30 next day | 04:00 next day | 03:00 next day | |
| 14:00 | 09:00 next day | 06:30 next day | 05:00 next day | 04:00 next day | |
| 15:00 | 10:00 next day | 07:30 next day | 06:00 next day | 05:00 next day | |
| 16:00 | 11:00 next day | 08:30 next day | 07:00 next day | 06:00 next day | |
| 17:00 | 12:00 next day | 09:30 next day | 08:00 next day | 07:00 next day |
London Time Zone and Facts
Time Zone
BST – British Summer Time, UTC+1 (daylight saving time)
London 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
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
Auckland Time Zone and Facts
Time Zone
NZST – New Zealand Standard Time, UTC+12 (standard time)
Auckland 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.
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
Tokyo Time Zone and Facts
Time Zone
Tokyo Facts
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
