CST to BST to Sydney to Geneve 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).
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Selected conversion
7:00 am07:00 CDT (UTC-5), Oct 13, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 13, 2026 = 11:00 pm23:00 AEDT (UTC+11), Oct 13, 2026 = 2:00 pm14:00 CEST (UTC+2), Oct 13, 2026
CDT is 6 hours behind BST. CDT is 16 hours behind Sydney. CDT is 7 hours behind Genève.
How the time difference changes
CST to BST
For most of the year, CDT is 6 hours behind BST. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, CDT is 5 hours behind GMT. From Nov 1, 2026 to Mar 14, 2027, CST is 6 hours behind GMT.
For most of the year, working hours of 9:00 am to 5:00 pm in CDT correspond to 3:00 pm to 11:00 pm in BST. At other times of the year, working hours of 9:00 am to 5:00 pm in CST correspond to 3:00 pm to 11:00 pm in GMT or working hours of 9:00 am to 5:00 pm in CDT correspond to 2:00 pm to 10:00 pm in GMT.For most of the year, working hours of 09:00 to 17:00 in CDT correspond to 15:00 to 23:00 in BST. At other times of the year, working hours of 09:00 to 17:00 in CST correspond to 15:00 to 23:00 in GMT or working hours of 09:00 to 17:00 in CDT correspond to 14:00 to 22:00 in GMT.
CST to Sydney
Depending on seasonal clock changes, CDT is 15 hours behind Sydney, CDT is 16 hours behind Sydney, or CST is 17 hours behind Sydney.
Depending on seasonal clock changes, working hours of 9:00 am to 5:00 pm in CDT correspond to 12:00 am (next day) to 8:00 am (next day) in Sydney, working hours of 9:00 am to 5:00 pm in CDT correspond to 1:00 am (next day) to 9:00 am (next day) in Sydney, or working hours of 9:00 am to 5:00 pm in CST correspond to 2:00 am (next day) to 10:00 am (next day) in Sydney.Depending on seasonal clock changes, working hours of 09:00 to 17:00 in CDT correspond to 00:00 (next day) to 08:00 (next day) in Sydney, working hours of 09:00 to 17:00 in CDT correspond to 01:00 (next day) to 09:00 (next day) in Sydney, or working hours of 09:00 to 17:00 in CST correspond to 02:00 (next day) to 10:00 (next day) in Sydney.
CST to Geneve
For most of the year, CDT is 7 hours behind Geneve. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, CDT is 6 hours behind Geneve. From Nov 1, 2026 to Mar 14, 2027, CST is 7 hours behind Geneve.
For most of the year, working hours of 9:00 am to 5:00 pm in CDT correspond to 4:00 pm to 12:00 am (next day) in Geneve. At other times of the year, working hours of 9:00 am to 5:00 pm in CST correspond to 4:00 pm to 12:00 am (next day) in Geneve or working hours of 9:00 am to 5:00 pm in CDT correspond to 3:00 pm to 11:00 pm in Geneve.For most of the year, working hours of 09:00 to 17:00 in CDT correspond to 16:00 to 00:00 (next day) in Geneve. At other times of the year, working hours of 09:00 to 17:00 in CST correspond to 16:00 to 00:00 (next day) in Geneve or working hours of 09:00 to 17:00 in CDT correspond to 15:00 to 23:00 in Geneve.
Compare CST time with BST, Sydney, and Geneve time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Daylight Time is 6 hours behind British Summer Time. Central Daylight Time is 16 hours behind AEDT (Australian Eastern Daylight Time). Central Daylight Time is 7 hours behind CEST (Central European Summer Time).
7:00 am07:00 in CDT is 1:00 pm13:00 in BST and is 11:00 pm23:00 in Sydney, Australia and is 2:00 pm14:00 in Geneve, Switzerland
CDT to BST call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in CDT which corresponds to 3pm-5pm15:00-17:00 in BST
CDT to Sydney call time
Best time for a conference call or a meeting is between 4:30pm-5:30pm16:30-17:30 in CDT which corresponds to 8:30am-9:30am08:30-09:30 in Sydney (next day). Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
CDT to Genève call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in CDT which corresponds to 4pm-5pm16:00-17:00 in Genève
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
11:00 pm23:00 AEDT (Australian Eastern Daylight Time) (Sydney, Australia). Offset UTC +11:00 hours
2:00 pm14:00 CEST (Central European Summer Time) (Geneve, Switzerland). Offset UTC +2:00 hours
7:00 am07:00 CDT / 1:00 pm13:00 BST / 11:00 pm23:00 Sydney, Australia / 2:00 pm14:00 Geneve, Switzerland
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.
| CDT | BST | Sydney, Australia | Geneve, Switzerland |
|---|---|---|---|
| 6:00am | 4:00pm | 7:00am | |
| 7:00am | 5:00pm | 8:00am | |
| 8:00am | 6:00pm | 9:00am | |
| 9:00am | 7:00pm | 10:00am | |
| 10:00am | 8:00pm | 11:00am | |
| 11:00am | 9:00pm | 12:00pm | |
| 12:00pm | 10:00pm | 1:00pm | |
| 1:00pm | 11:00pm | 2:00pm | |
| 2:00pm | 12:00am next day | 3:00pm | |
| 3:00pm | 1:00am next day | 4:00pm | |
| 4:00pm | 2:00am next day | 5:00pm | |
| 5:00pm | 3:00am next day | 6:00pm | |
| 6:00pm | 4:00am next day | 7:00pm | |
| 7:00pm | 5:00am next day | 8:00pm | |
| 8:00pm | 6:00am next day | 9:00pm | |
| 9:00pm | 7:00am next day | 10:00pm | |
| 10:00pm | 8:00am next day | 11:00pm | |
| 11:00pm | 9:00am next day | 12:00am next day | |
| 12:00am next day | 10:00am next day | 1:00am next day | |
| 1:00am next day | 11:00am next day | 2:00am next day | |
| 2:00am next day | 12:00pm next day | 3:00am next day | |
| 3:00am next day | 1:00pm next day | 4:00am next day | |
| 4:00am next day | 2:00pm next day | 5:00am next day | |
| 5:00am next day | 3:00pm next day | 6:00am next day | |
| 06:00 | 16:00 | 07:00 | |
| 07:00 | 17:00 | 08:00 | |
| 08:00 | 18:00 | 09:00 | |
| 09:00 | 19:00 | 10:00 | |
| 10:00 | 20:00 | 11:00 | |
| 11:00 | 21:00 | 12:00 | |
| 12:00 | 22:00 | 13:00 | |
| 13:00 | 23:00 | 14:00 | |
| 14:00 | 00:00 next day | 15:00 | |
| 15:00 | 01:00 next day | 16:00 | |
| 16:00 | 02:00 next day | 17:00 | |
| 17:00 | 03:00 next day | 18:00 | |
| 18:00 | 04:00 next day | 19:00 | |
| 19:00 | 05:00 next day | 20:00 | |
| 20:00 | 06:00 next day | 21:00 | |
| 21:00 | 07:00 next day | 22:00 | |
| 22:00 | 08:00 next day | 23:00 | |
| 23:00 | 09:00 next day | 00:00 next day | |
| 00:00 next day | 10:00 next day | 01:00 next day | |
| 01:00 next day | 11:00 next day | 02:00 next day | |
| 02:00 next day | 12:00 next day | 03:00 next day | |
| 03:00 next day | 13:00 next day | 04:00 next day | |
| 04:00 next day | 14:00 next day | 05:00 next day | |
| 05:00 next day | 15:00 next day | 06:00 next day |
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
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, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Today the lighter areas are on UTC−5 (Central Daylight Time).
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
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
Today all shaded areas are on BST.
Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.
End: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Sydney Time Zone and Facts
Time Zone
AEST – Australian Eastern Standard Time, UTC+10 (standard time)
Sydney Facts
Genève Time Zone and Facts
Time Zone
CET – Central European Time, UTC+1 (standard time)