Dubai to AEST to London to EST to CST to MST to PST Time Converter

Updating current time…
Dubai
United Arab EmiratesGST
UTC+4
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AEST
Australian Eastern Standard Time
UTC+10
6h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Australia is on daylight saving time: AEDT (UTC+11) until Sun, Apr 4, 2027.

Queensland stays on AEST (UTC+10).

Queensland · AEST all year (UTC+10)Sydney, Melbourne · AEDT (UTC+11)
London
United KingdomBST
UTC+1
3h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
London's clocks go back 1 hour on Sun, Oct 25 · BST → GMT
EDT/EST
Eastern Daylight Time
UTC−4
8h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Time is on daylight saving time: EDT (UTC−4) until Sun, Nov 1.
Use EST all year (UTC−5)
CDT/CST
Central Daylight Time
UTC−5
9h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 1.

Mexico City and Saskatchewan stay on CST (UTC−6).

Chicago · CDT (UTC−5)Mexico City, Saskatchewan · CST all year (UTC−6)
MDT/MST
Mountain Daylight Time
UTC−6
10h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Mountain Time is on daylight saving time: MDT (UTC−6) until Sun, Nov 1.

Arizona stays on MST (UTC−7).

Denver · MDT (UTC−6)Arizona · MST all year (UTC−7)
PDT/PST
Pacific Daylight Time
UTC−7
11h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Pacific Time is on daylight saving time: PDT (UTC−7) until Sun, Nov 1.
Use PST all year (UTC−8)

Quick answers

Selected conversion

4:00 pm16:00 GST (UTC+4), Oct 22, 2026 = 10:00 pm22:00 AEST (UTC+10), Oct 22, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 22, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 22, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 22, 2026 = 6:00 am06:00 MDT (UTC-6), Oct 22, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 22, 2026

Dubai is 6 hours behind AEST. Dubai is 3 hours ahead of London. Dubai is 8 hours ahead of EDT. Dubai is 9 hours ahead of CDT. Dubai is 10 hours ahead of MDT. Dubai is 11 hours ahead of PDT.

How the time difference changes

Dubai to AEST

Dubai is 6 hours behind AEST year-round.

Working hours of 9:00 am to 6:00 pm in Dubai correspond to 3:00 pm to 12:00 am (next day) in AEST.Working hours of 09:00 to 18:00 in Dubai correspond to 15:00 to 00:00 (next day) in AEST.

Dubai to London

For most of the year, Dubai is 3 hours ahead of London. From Oct 25, 2026 to Mar 28, 2027, Dubai is 4 hours ahead of London.

For most of the year, working hours of 9:00 am to 6:00 pm in Dubai correspond to 6:00 am to 3:00 pm in London. At other times of the year, working hours of 9:00 am to 6:00 pm in Dubai correspond to 5:00 am to 2:00 pm in London.For most of the year, working hours of 09:00 to 18:00 in Dubai correspond to 06:00 to 15:00 in London. At other times of the year, working hours of 09:00 to 18:00 in Dubai correspond to 05:00 to 14:00 in London.

Dubai to EST

For most of the year, Dubai is 8 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, Dubai is 9 hours ahead of EST.

For most of the year, working hours of 9:00 am to 6:00 pm in Dubai correspond to 1:00 am to 10:00 am in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Dubai correspond to 12:00 am to 9:00 am in EST.For most of the year, working hours of 09:00 to 18:00 in Dubai correspond to 01:00 to 10:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in Dubai correspond to 00:00 to 09:00 in EST.

Dubai to CST

For most of the year, Dubai is 9 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, Dubai is 10 hours ahead of CST.

For most of the year, working hours of 9:00 am to 6:00 pm in Dubai correspond to 12:00 am to 9:00 am in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Dubai correspond to 11:00 pm (previous day) to 8:00 am in CST.For most of the year, working hours of 09:00 to 18:00 in Dubai correspond to 00:00 to 09:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in Dubai correspond to 23:00 (previous day) to 08:00 in CST.

Dubai to MST

For most of the year, Dubai is 10 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, Dubai is 11 hours ahead of MST.

For most of the year, working hours of 9:00 am to 6:00 pm in Dubai correspond to 11:00 pm (previous day) to 8:00 am in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Dubai correspond to 10:00 pm (previous day) to 7:00 am in MST.For most of the year, working hours of 09:00 to 18:00 in Dubai correspond to 23:00 (previous day) to 08:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in Dubai correspond to 22:00 (previous day) to 07:00 in MST.

Dubai to PST

For most of the year, Dubai is 11 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, Dubai is 12 hours ahead of PST.

For most of the year, working hours of 9:00 am to 6:00 pm in Dubai correspond to 10:00 pm (previous day) to 7:00 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Dubai correspond to 9:00 pm (previous day) to 6:00 am in PST.For most of the year, working hours of 09:00 to 18:00 in Dubai correspond to 22:00 (previous day) to 07:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in Dubai correspond to 21:00 (previous day) to 06:00 in PST.

Compare Dubai time with AEST, London, EST, CST, MST, and PST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

GST (Gulf Standard Time) is 6 hours behind Australian Eastern Standard Time. GST (Gulf Standard Time) is 3 hours ahead of BST (British Summer Time). GST (Gulf Standard Time) is 8 hours ahead of Eastern Daylight Time. GST (Gulf Standard Time) is 9 hours ahead of Central Daylight Time. GST (Gulf Standard Time) is 10 hours ahead of Mountain Daylight Time. GST (Gulf Standard Time) is 11 hours ahead of Pacific Daylight Time.
4:00 pm16:00 in Dubai, United Arab Emirates is 10:00 pm22:00 in AEST and is 1:00 pm13:00 in London, United Kingdom and is 8:00 am08:00 in EDT and is 7:00 am07:00 in CDT and is 6:00 am06:00 in MDT and is 5:00 am05:00 in PDT

Dubai to AEST call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in Dubai which corresponds to 3pm-6pm15:00-18:00 in AEST
Dubai to London call time
Best time for a conference call or a meeting is between 12pm-6pm12:00-18:00 in Dubai which corresponds to 9am-3pm09:00-15:00 in London
Dubai to EDT call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in Dubai which corresponds to 9am-10am09:00-10:00 in EDT
Dubai to CDT call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in Dubai which corresponds to 8:30am-9:30am08:30-09:30 in CDT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
Dubai to MDT call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in Dubai which corresponds to 8am-9am08:00-09:00 in MDT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
Dubai to PDT call time
Best time for a conference call or a meeting is between 6:30pm-7:30pm18:30-19:30 in Dubai which corresponds to 7:30am-8:30am07:30-08:30 in PDT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

4:00 pm16:00 GST (Gulf Standard Time) (Dubai, United Arab Emirates). Offset UTC +4:00 hours
10:00 pm22:00 Australian Eastern Standard Time (AEST). Offset UTC +10:00 hours
1:00 pm13:00 BST (British Summer Time) (London, United Kingdom). Offset UTC +1:00 hour
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
6:00 am06:00 Mountain Daylight Time (MDT). Offset UTC -6:00 hours
5:00 am05:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours

4:00 pm16:00 Dubai, United Arab Emirates / 10:00 pm22:00 AEST / 1:00 pm13:00 London, United Kingdom / 8:00 am08:00 EDT / 7:00 am07:00 CDT / 6:00 am06:00 MDT / 5:00 am05:00 PDT

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.

Hourly time comparison
Dubai, United Arab EmiratesAESTLondon, United KingdomEDTCDTMDTPDT
6:00am9:00pm previous day4:00pm previous day3:00pm previous day2:00pm previous day1:00pm previous day
7:00am10:00pm previous day5:00pm previous day4:00pm previous day3:00pm previous day2:00pm previous day
8:00am11:00pm previous day6:00pm previous day5:00pm previous day4:00pm previous day3:00pm previous day
9:00am12:00am7:00pm previous day6:00pm previous day5:00pm previous day4:00pm previous day
10:00am1:00am8:00pm previous day7:00pm previous day6:00pm previous day5:00pm previous day
11:00am2:00am9:00pm previous day8:00pm previous day7:00pm previous day6:00pm previous day
12:00pm3:00am10:00pm previous day9:00pm previous day8:00pm previous day7:00pm previous day
1:00pm4:00am11:00pm previous day10:00pm previous day9:00pm previous day8:00pm previous day
2:00pm5:00am12:00am11:00pm previous day10:00pm previous day9:00pm previous day
3:00pm6:00am1:00am12:00am11:00pm previous day10:00pm previous day
4:00pm7:00am2:00am1:00am12:00am11:00pm previous day
5:00pm8:00am3:00am2:00am1:00am12:00am
6:00pm9:00am4:00am3:00am2:00am1:00am
7:00pm10:00am5:00am4:00am3:00am2:00am
8:00pm11:00am6:00am5:00am4:00am3:00am
9:00pm12:00pm7:00am6:00am5:00am4:00am
10:00pm1:00pm8:00am7:00am6:00am5:00am
11:00pm2:00pm9:00am8:00am7:00am6:00am
12:00am next day3:00pm10:00am9:00am8:00am7:00am
1:00am next day4:00pm11:00am10:00am9:00am8:00am
2:00am next day5:00pm12:00pm11:00am10:00am9:00am
3:00am next day6:00pm1:00pm12:00pm11:00am10:00am
4:00am next day7:00pm2:00pm1:00pm12:00pm11:00am
5:00am next day8:00pm3:00pm2:00pm1:00pm12:00pm
06:0021:00 previous day16:00 previous day15:00 previous day14:00 previous day13:00 previous day
07:0022:00 previous day17:00 previous day16:00 previous day15:00 previous day14:00 previous day
08:0023:00 previous day18:00 previous day17:00 previous day16:00 previous day15:00 previous day
09:0000:0019:00 previous day18:00 previous day17:00 previous day16:00 previous day
10:0001:0020:00 previous day19:00 previous day18:00 previous day17:00 previous day
11:0002:0021:00 previous day20:00 previous day19:00 previous day18:00 previous day
12:0003:0022:00 previous day21:00 previous day20:00 previous day19:00 previous day
13:0004:0023:00 previous day22:00 previous day21:00 previous day20:00 previous day
14:0005:0000:0023:00 previous day22:00 previous day21:00 previous day
15:0006:0001:0000:0023:00 previous day22:00 previous day
16:0007:0002:0001:0000:0023:00 previous day
17:0008:0003:0002:0001:0000:00
18:0009:0004:0003:0002:0001:00
19:0010:0005:0004:0003:0002:00
20:0011:0006:0005:0004:0003:00
21:0012:0007:0006:0005:0004:00
22:0013:0008:0007:0006:0005:00
23:0014:0009:0008:0007:0006:00
00:00 next day15:0010:0009:0008:0007:00
01:00 next day16:0011:0010:0009:0008:00
02:00 next day17:0012:0011:0010:0009:00
03:00 next day18:0013:0012:0011:0010:00
04:00 next day19:0014:0013:0012:0011:00
05:00 next day20:0015:0014:0013:0012:00

Dubai Time Zone and Facts

Time Zone

Abbreviation / Offset
GST – Gulf Standard Time, UTC+4 (no daylight saving 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
3,790,000
Currency
Dirham (AED)
Geographic Coordinates
25° 04' N Latitude / 55° 18' E Longitude
International Dialing Code
+971
More About Dubai
Dubai local time and city facts

Australian Eastern Standard Time

Offset: AEST is 10 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Australia

Principal Cities: The largest city in the AEST time zone is Sydney in Australia, with about 5.639 million people. Other major cities in this time zone include Melbourne, Brisbane, Gold Coast, Newcastle.

Map of the areas on Australian Eastern Standard Time (AEST)
AEST all year AEST part of the year

Today the lighter areas are on UTC+11 (AEDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Australian Eastern Daylight Time (AEDT).

123456789101112End: Australian Eastern Standard Time (AEST) ended 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 local daylight time instead. Standard time ends annually on the first Sunday of October.

123456789101112Start: Australian Eastern Standard Time (AEST) starts 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. Standard time starts annually on the first Sunday of April.

See Australia daylight saving time and upcoming clock changes worldwide.

Australian Eastern Standard Time (AEST) is used in Queensland, Victoria, Tasmania, New South Wales (except Broken Hill), Australian Capital Territory and in folling major cities Brisbane, Sydney, Melbourne, Hobart, Canberra

Only part of Australia observe daylight saving. It is used in New South Wales, Victoria, South Australia, Tasmania, and the Australian Capital Territory. Daylight saving is not observed in Queensland, Western Australia or the Northern Territory.

AEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +10 - basic short
  • +1000 - basic
  • +10:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1000 - sign character (+) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Kilo - Military abbreviation for AEST
  • K - short form of 'Kilo'
IANA/Olson: Reflects AEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Antarctica/Macquarie
  • Australia/ACT
  • Australia/Brisbane
  • Australia/Canberra
  • Australia/Currie
  • Australia/Hobart
  • Australia/Lindeman
  • Australia/Melbourne
  • Australia/NSW
  • Australia/Queensland
  • Australia/Sydney
  • Australia/Tasmania
  • Australia/Victoria
Time zones with the GMT +10 offset:
  • AEST - Australian Eastern Standard Time
  • CHUT - Chuuk Time
  • ChST - Chamorro Standard Time
  • K - Kilo Time Zone
  • KDT - Korea Daylight Time
  • PGT - Papua New Guinea Time
  • VLAT - Vladivostok Time
  • YAKST - Yakutsk Summer Time
  • YAPT - Yap Time

London Time Zone and Facts

Time Zone

Abbreviation / Offset
BST – British Summer Time, UTC+1 (now, daylight saving time)
GMT – Greenwich Mean Time, UTC+0 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, October 25, 2026 at 2:00 amSunday, October 25, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (GMT). DST ends on the last Sunday of October each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 28, 2027 at 1:00 amSunday, March 28, 2027 at 01:00: clocks go forward 1 hour to 2:00 am02:00 (BST). DST starts on the last Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
United Kingdom daylight saving time · Clock changes worldwide

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
8,961,989
Currency
Pound (GBP)
Geographic Coordinates
51° 30' N Latitude / 0° 07' W Longitude
International Dialing Code
+44
More About London
London time now
Current Time in the United Kingdom
UK time now

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

Today the lighter areas are on UTC−4 (EDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).

123456789101112End: Eastern Standard Time (EST) 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.

123456789101112Start: Eastern Standard Time (EST) 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.

See USA daylight saving time and upcoming clock changes worldwide.

EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone

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

Map of the areas on Central Standard Time (CST)
CST all year CST part of the year

Today the lighter areas are on UTC−5 (Central Daylight Time).

Open the world time zone map© OpenStreetMap

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).

123456789101112End: 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.

123456789101112Start: 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.

See USA daylight saving time and upcoming clock changes worldwide.

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 an offset of six hours 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
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

Mountain Standard Time

Offset: MST is 7 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the MST time zone is Phoenix in the United States, with about 1.65 million people. Other major cities in this time zone include Ciudad Juárez, Hermosillo, Culiacán, Denver.

French: HNR - Heure Normale des Rocheuses

Spanish: MT - Zona Pacífico

Map of the areas on Mountain Standard Time (MST)
MST all year MST part of the year

Today the lighter areas are on UTC−6 (MDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Mountain Daylight Time (MDT).

123456789101112End: Mountain Standard Time (MST) 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.

123456789101112Start: Mountain Standard Time (MST) 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.

See USA daylight saving time and upcoming clock changes worldwide.

MST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -07 - basic short
  • -0700 - basic
  • -07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Tango - Military abbreviation for MST
  • T - short form of 'Tango'
IANA/Olson: Reflects MST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Boise
  • America/Cambridge_Bay
  • America/Ciudad_Juarez
  • America/Creston
  • America/Dawson
  • America/Dawson_Creek
  • America/Denver
  • America/Edmonton
  • America/Fort_Nelson
  • America/Hermosillo
  • America/Inuvik
  • America/Mazatlan
  • America/Phoenix
  • America/Shiprock
  • America/Whitehorse
  • America/Yellowknife
  • Canada/Mountain
  • Canada/Yukon
  • MST
  • MST7MDT
  • Mexico/BajaSur
  • Navajo
  • US/Arizona
  • US/Mountain
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango Time Zone

Pacific Standard Time

Offset: PST is 8 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PST time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.

French: HNP - Heure Normale du Pacifique

Spanish: PT - Tiempo del Pacífico, PT - Zona Noroeste

Map of the areas on Pacific Standard Time (PST)
PST part of the year

Today the shaded areas are on UTC−7 (PDT).

Open the world time zone map© OpenStreetMap

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Pacific Daylight Time (PDT).

123456789101112End: Pacific Standard Time (PST) 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.

123456789101112Start: Pacific Standard Time (PST) 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.

See USA daylight saving time and upcoming clock changes worldwide.

PST 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 an offset of eight hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for PST
  • U - short form of 'Uniform'
IANA/Olson: Reflects PST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Ensenada
  • America/Los_Angeles
  • America/Santa_Isabel
  • America/Tijuana
  • America/Vancouver
  • Canada/Pacific
  • Mexico/BajaNorte
  • PST8PDT
  • US/Pacific
PST Abbreviation: Several time zones share PST abbreviation and it could refer to these time zones
  • Pacific Standard Time - UTC -8
  • Pitcairn Standard Time - UTC -8
Time zones with the GMT -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT