CDT/CST
Central Daylight Time
GMT -5
CST automatically adjusted to CDT time zone, that is in use
United Arab Emirates
+04
PHT
Philippine Time
GMT +8
United Kingdom
BST

Time Difference

Central Daylight Time is 9 hours behind and 13 hours behind Philippine Time and 6 hours behind BST (British Summer Time)
8:30 pm20:30 in CDT is 5:30 am05:30 in Dubai, United Arab Emirates and is 9:30 am09:30 in PHT and is 2:30 am02:30 in London, United Kingdom

CST to Dubai call time
Best time for a conference call or a meeting is between 8am-10am in CST which corresponds to 6pm-8pm in Dubai
CST to PHT call time
Best time for a conference call or a meeting is between 6am-8am in CST which corresponds to 8pm-10pm in PHT
CST to London call time
Best time for a conference call or a meeting is between 8am-11am in CST which corresponds to 3pm-6pm in London

8:30 pm20:30 Central Daylight Time (CDT). Offset UTC -5:00 hours
5:30 am05:30 (Dubai, United Arab Emirates). Offset UTC +4:00 hours
9:30 am09:30 Philippine Time (PHT). Offset UTC +8:00 hours
2:30 am02:30 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour

8:30 pm20:30 CDT / 5:30 am05:30 Dubai, United Arab Emirates / 9:30 am09:30 PHT / 2:30 am02:30 London, United Kingdom

CDT Dubai, United Arab Emirates PHT London, United Kingdom
12am (midnight) 9am 1pm 6am
1am 10am 2pm 7am
2am 11am 3pm 8am
3am 12pm (noon) 4pm 9am
4am 1pm 5pm 10am
5am 2pm 6pm 11am
6am 3pm 7pm 12pm (noon)
7am 4pm 8pm 1pm
8am 5pm 9pm 2pm
9am 6pm 10pm 3pm
10am 7pm 11pm 4pm
11am 8pm 12am (midnight) 5pm
12pm (noon) 9pm 1am 6pm
1pm 10pm 2am 7pm
2pm 11pm 3am 8pm
3pm 12am (midnight) 4am 9pm
4pm 1am 5am 10pm
5pm 2am 6am 11pm
6pm 3am 7am 12am (midnight)
7pm 4am 8am 1am
8pm 5am 9am 2am
9pm 6am 10am 3am
10pm 7am 11am 4am
11pm 8am 12pm (noon) 5am
0:00 9:00 13:00 6:00
1:00 10:00 14:00 7:00
2:00 11:00 15:00 8:00
3:00 12:00 16:00 9:00
4:00 13:00 17:00 10:00
5:00 14:00 18:00 11:00
6:00 15:00 19:00 12:00
7:00 16:00 20:00 13:00
8:00 17:00 21:00 14:00
9:00 18:00 22:00 15:00
10:00 19:00 23:00 16:00
11:00 20:00 0:00 17:00
12:00 21:00 1:00 18:00
13:00 22:00 2:00 19:00
14:00 23:00 3:00 20:00
15:00 0:00 4:00 21:00
16:00 1:00 5:00 22:00
17:00 2:00 6:00 23:00
18:00 3:00 7:00 0:00
19:00 4:00 8:00 1:00
20:00 5:00 9:00 2:00
21:00 6:00 10:00 3:00
22:00 7:00 11:00 4:00
23:00 8:00 12:00 5:00

Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States

Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

CST Time Zone Geo Map
CST timezone map

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Central Daylight Time (CDT).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Central Standard Time (CST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.

Daylight saving time clock moves back for one hour from 2am to 1amStart: Central Standard Time (CST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.

CST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CST
  • S - short form of 'Sierra'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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
CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones
  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5
  • Colombia Standard Time - UTC -5
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Dubai Information

Time Zone

Abbreviation / Name
+04 -
GST - Gulf Standard Time
UTC / GMT Offset
+4:00 hours during , currently in use.
+4:00 hours during Gulf Standard Time.
Daylight Saving Time Change
0:00 hours - DST is NOT in use
Daylight Saving Time Starts
Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Also called Fall Back or switch to Winter Time.

Dubai Facts

Country
United Arab Emirates
Alternative Names
DXB, Dabei, Dibai, Dibay, Doubayi, Dubae, Dubai, Dubai City, Dubai emiraat, Dubaija, Dubaj, Dubajo, Dubajus, Dubay, Dubayy, Dubaï, Dubái, Dúbæ, Ehmirat Dubaj, Fort Dabei, Ntoumpai, dby, dbyy, di bai, dobai, du bai, duba'i, dubai, dubay, dubi, dwbyy, tupai, Ντουμπάι, Дубаи, Дубай, Эмірат Дубай, Դուբայի Էմիրություն, דובאי, דוביי, دبئی, دبى, دبي, دبی, دوبەی, دۇبائى, दुबई, দুবাই, துபை, దుబాయ్, ದುಬೈ, ദുബായ്, ดูไบ, დუბაი, ドバイ, 杜拜, 迪拜, 두바이
Population
2,956,587
Currency
Dirham (AED)
Geographic Coordinates
25° 04' N Latitude / 55° 18' E Longitude
International Dialing Code
+971

Philippine Time

Offset: PHT is 8 hours ahead Greenwich Mean Time (GMT) and is used in Asia

PHT Time Zone Geo Map
PHT timezone map

PHT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for PHT
  • H - short form of 'Hotel'
Time zones with the GMT +8 offset:
  • 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

London Information

Time Zone

Abbreviation / Name
BST - British Summer Time
UTC / GMT Offset
+1:00 hour during British Summer Time, currently in use.

London Facts

Country
United Kingdom
Alternative Names
ILondon, LON, Lakana, Landan, Landen, Ljondan, Llundain, Lodoni, Londain, Londan, Londar, Londe, Londen, Londin, Londinium, Londino, Londn, London, London osh, Londona, Londonas, Londoni, Londono, Londons, Londonu, Londra, Londres, Londrez, Londri, Londro, Londye, Londyn, Londýn, Lonn, Lontoo, Loundres, Luan GJon, Lun-tun, Lunden, Lundra, Lundun, Lundunir, Lundúnir, Lung-dung, Lunnainn, Lunnin, Lunnon, Luân Đôn, Lùn-tûn, Lùng-dŭng, Lûn-tun, Lākana, Lůndůn, Lọndọnu, Ranana, Rānana, ilantan, ladana, landan, landana, leondeon, lndn, london, londoni, lun dui, lun dun, lwndwn, lxndxn, rondon, Łondra, Λονδίνο, Лондан, Лондон, Лондон ош, Лондонъ, Лёндан, Լոնդոն, לאנדאן, לונדון, لأندأن, لندن, لوندون, لەندەن, ܠܘܢܕܘܢ, लंडन, लंदन, लण्डन, लन्डन्, लन्दन, লন্ডন, ਲੰਡਨ, લંડન, ଲଣ୍ଡନ, இலண்டன், లండన్, ಲಂಡನ್, ലണ്ടൻ, ලන්ඩන්, ลอนดอน, ລອນດອນ, ལོན་ཊོན།, လန်ဒန်မြို့, ლონდონი, ለንደን, ᎫᎴ ᏗᏍᎪᏂᎯᏱ, ロンドン, 伦敦, 倫敦, 런던
Population
7,556,900
Currency
Pound (GBP)
Geographic Coordinates
51° 30' N Latitude / 0° 07' W Longitude
International Dialing Code
+44