Shanghai to AKST to Hilo to PST to MDT to CST to EDT to IST Time Converter

Updating current time…
Shanghai
ChinaCST
UTC+8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AKST
Alaska Standard Time
UTC−9
17h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Hilo
Hawaii, USAHST
UTC−10
18h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PST
Pacific Standard Time
UTC−8
16h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MST/MDT
Mountain Standard Time
UTC−7
15h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Mountain Time is on standard time: MST (UTC−7) until Sun, Mar 14, 2027.
Keep MDT (UTC−6)
CST
Central Standard Time
UTC−6
14h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST/EDT
Eastern Standard Time
UTC−5
13h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Time is on standard time: EST (UTC−5) until Sun, Mar 14, 2027.
Keep EDT (UTC−4)
IST
India Standard Time
UTC+5:30
2h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

8:00 pm20:00 CST (UTC+8), Nov 4, 2026 = 3:00 am03:00 AKST (UTC-9), Nov 4, 2026 = 2:00 am02:00 HST (UTC-10), Nov 4, 2026 = 4:00 am04:00 PST (UTC-8), Nov 4, 2026 = 5:00 am05:00 MST (UTC-7), Nov 4, 2026 = 6:00 am06:00 CST (UTC-6), Nov 4, 2026 = 7:00 am07:00 EST (UTC-5), Nov 4, 2026 = 5:30 pm17:30 IST (UTC+5:30), Nov 4, 2026

Shanghai is 17 hours ahead of AKST. Shanghai is 18 hours ahead of Hilo. Shanghai is 16 hours ahead of PST. Shanghai is 15 hours ahead of MST. Shanghai is 14 hours ahead of CST. Shanghai is 13 hours ahead of EST. Shanghai is 2 hours and 30 minutes ahead of IST.

How the time difference changes

Shanghai to AKST

For most of the year, Shanghai is 16 hours ahead of AKDT. From Nov 1, 2026 to Mar 14, 2027, Shanghai is 17 hours ahead of AKST.

For most of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 5:00 pm (previous day) to 2:00 am in AKDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 4:00 pm (previous day) to 1:00 am in AKST.For most of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 17:00 (previous day) to 02:00 in AKDT. At other times of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 16:00 (previous day) to 01:00 in AKST.

Shanghai to Hilo

Shanghai is 18 hours ahead of Hilo year-round.

Working hours of 9:00 am to 6:00 pm in Shanghai correspond to 3:00 pm (previous day) to 12:00 am in Hilo.Working hours of 09:00 to 18:00 in Shanghai correspond to 15:00 (previous day) to 00:00 in Hilo.

Shanghai to PST

For most of the year, Shanghai is 15 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, Shanghai is 16 hours ahead of PST.

For most of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 6:00 pm (previous day) to 3:00 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 5:00 pm (previous day) to 2:00 am in PST.For most of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 18:00 (previous day) to 03:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 17:00 (previous day) to 02:00 in PST.

Shanghai to MDT

For most of the year, Shanghai is 14 hours ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, Shanghai is 15 hours ahead of MST.

For most of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 7:00 pm (previous day) to 4:00 am in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 6:00 pm (previous day) to 3:00 am in MST.For most of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 19:00 (previous day) to 04:00 in MDT. At other times of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 18:00 (previous day) to 03:00 in MST.

Shanghai to CST

For most of the year, Shanghai is 13 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, Shanghai is 14 hours ahead of CST.

For most of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 8:00 pm (previous day) to 5:00 am in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 7:00 pm (previous day) to 4:00 am in CST.For most of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 20:00 (previous day) to 05:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 19:00 (previous day) to 04:00 in CST.

Shanghai to EDT

For most of the year, Shanghai is 12 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, Shanghai is 13 hours ahead of EST.

For most of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 9:00 pm (previous day) to 6:00 am in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Shanghai correspond to 8:00 pm (previous day) to 5:00 am in EST.For most of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 21:00 (previous day) to 06:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in Shanghai correspond to 20:00 (previous day) to 05:00 in EST.

Shanghai to IST

Shanghai is 2 hours and 30 minutes ahead of IST year-round.

Working hours of 9:00 am to 6:00 pm in Shanghai correspond to 6:30 am to 3:30 pm in IST.Working hours of 09:00 to 18:00 in Shanghai correspond to 06:30 to 15:30 in IST.

Compare Shanghai time with AKST, Hilo, PST, MDT, CST, EDT, and IST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

CST (China Standard Time) is 17 hours ahead of Alaska Standard Time. CST (China Standard Time) is 18 hours ahead of HST (Hawaii Standard Time). CST (China Standard Time) is 16 hours ahead of Pacific Standard Time. CST (China Standard Time) is 15 hours ahead of Mountain Standard Time. CST (China Standard Time) is 14 hours ahead of Central Standard Time. CST (China Standard Time) is 13 hours ahead of Eastern Standard Time. CST (China Standard Time) is 2 hours and 30 minutes ahead of India Standard Time.
8:00 pm20:00 in Shanghai, China is 3:00 am03:00 in AKST and is 2:00 am02:00 in Hilo, HI, USA and is 4:00 am04:00 in PST and is 5:00 am05:00 in MST and is 6:00 am06:00 in CST and is 7:00 am07:00 in EST and is 5:30 pm17:30 in IST

Shanghai to AKST call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in Shanghai which corresponds to 4pm-6pm16:00-18:00 in AKST (previous day)
Shanghai to Hilo call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in Shanghai which corresponds to 3pm-6pm15:00-18:00 in Hilo (previous day)
Shanghai to PST call time
Best time for a conference call or a meeting is between 9am-10am09:00-10:00 in Shanghai which corresponds to 5pm-6pm17:00-18:00 in PST (previous day)
Shanghai to MST call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in Shanghai which corresponds to 5:30pm-6:30pm17:30-18:30 in MST (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
Shanghai to CST call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in Shanghai which corresponds to 6pm-7pm18:00-19:00 in CST (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
Shanghai to EST call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in Shanghai which corresponds to 6:30pm-7:30pm18:30-19:30 in EST (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
Shanghai to IST call time
Best time for a conference call or a meeting is between 11:30am-6pm11:30-18:00 in Shanghai which corresponds to 9am-3:30pm09:00-15:30 in IST

8:00 pm20:00 CST (China Standard Time) (Shanghai, China). Offset UTC +8:00 hours
3:00 am03:00 Alaska Standard Time (AKST). Offset UTC -9:00 hours
2:00 am02:00 HST (Hawaii Standard Time) (Hilo, HI, USA). Offset UTC -10:00 hours
4:00 am04:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
5:00 am05:00 Mountain Standard Time (MST). Offset UTC -7:00 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
5:30 pm17:30 India Standard Time (IST). Offset UTC +5:30 hours

8:00 pm20:00 Shanghai, China / 3:00 am03:00 AKST / 2:00 am02:00 Hilo, HI, USA / 4:00 am04:00 PST / 5:00 am05:00 MST / 6:00 am06:00 CST / 7:00 am07:00 EST / 5:30 pm17:30 IST

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
Shanghai, ChinaAKSTHilo, HI, USAPSTMSTCSTESTIST
7:00am previous day6:00am previous day8:00am previous day9:00am previous day10:00am previous day11:00am previous day9:30pm previous day
8:00am previous day7:00am previous day9:00am previous day10:00am previous day11:00am previous day12:00pm previous day10:30pm previous day
9:00am previous day8:00am previous day10:00am previous day11:00am previous day12:00pm previous day1:00pm previous day11:30pm previous day
10:00am previous day9:00am previous day11:00am previous day12:00pm previous day1:00pm previous day2:00pm previous day12:30am
11:00am previous day10:00am previous day12:00pm previous day1:00pm previous day2:00pm previous day3:00pm previous day1:30am
12:00pm previous day11:00am previous day1:00pm previous day2:00pm previous day3:00pm previous day4:00pm previous day2:30am
1:00pm previous day12:00pm previous day2:00pm previous day3:00pm previous day4:00pm previous day5:00pm previous day3:30am
2:00pm previous day1:00pm previous day3:00pm previous day4:00pm previous day5:00pm previous day6:00pm previous day4:30am
3:00pm previous day2:00pm previous day4:00pm previous day5:00pm previous day6:00pm previous day7:00pm previous day5:30am
4:00pm previous day3:00pm previous day5:00pm previous day6:00pm previous day7:00pm previous day8:00pm previous day6:30am
5:00pm previous day4:00pm previous day6:00pm previous day7:00pm previous day8:00pm previous day9:00pm previous day7:30am
6:00pm previous day5:00pm previous day7:00pm previous day8:00pm previous day9:00pm previous day10:00pm previous day8:30am
7:00pm previous day6:00pm previous day8:00pm previous day9:00pm previous day10:00pm previous day11:00pm previous day9:30am
8:00pm previous day7:00pm previous day9:00pm previous day10:00pm previous day11:00pm previous day12:00am10:30am
9:00pm previous day8:00pm previous day10:00pm previous day11:00pm previous day12:00am1:00am11:30am
10:00pm previous day9:00pm previous day11:00pm previous day12:00am1:00am2:00am12:30pm
11:00pm previous day10:00pm previous day12:00am1:00am2:00am3:00am1:30pm
12:00am11:00pm previous day1:00am2:00am3:00am4:00am2:30pm
1:00am12:00am2:00am3:00am4:00am5:00am3:30pm
2:00am1:00am3:00am4:00am5:00am6:00am4:30pm
3:00am2:00am4:00am5:00am6:00am7:00am5:30pm
4:00am3:00am5:00am6:00am7:00am8:00am6:30pm
5:00am4:00am6:00am7:00am8:00am9:00am7:30pm
6:00am5:00am7:00am8:00am9:00am10:00am8:30pm
07:00 previous day06:00 previous day08:00 previous day09:00 previous day10:00 previous day11:00 previous day21:30 previous day
08:00 previous day07:00 previous day09:00 previous day10:00 previous day11:00 previous day12:00 previous day22:30 previous day
09:00 previous day08:00 previous day10:00 previous day11:00 previous day12:00 previous day13:00 previous day23:30 previous day
10:00 previous day09:00 previous day11:00 previous day12:00 previous day13:00 previous day14:00 previous day00:30
11:00 previous day10:00 previous day12:00 previous day13:00 previous day14:00 previous day15:00 previous day01:30
12:00 previous day11:00 previous day13:00 previous day14:00 previous day15:00 previous day16:00 previous day02:30
13:00 previous day12:00 previous day14:00 previous day15:00 previous day16:00 previous day17:00 previous day03:30
14:00 previous day13:00 previous day15:00 previous day16:00 previous day17:00 previous day18:00 previous day04:30
15:00 previous day14:00 previous day16:00 previous day17:00 previous day18:00 previous day19:00 previous day05:30
16:00 previous day15:00 previous day17:00 previous day18:00 previous day19:00 previous day20:00 previous day06:30
17:00 previous day16:00 previous day18:00 previous day19:00 previous day20:00 previous day21:00 previous day07:30
18:00 previous day17:00 previous day19:00 previous day20:00 previous day21:00 previous day22:00 previous day08:30
19:00 previous day18:00 previous day20:00 previous day21:00 previous day22:00 previous day23:00 previous day09:30
20:00 previous day19:00 previous day21:00 previous day22:00 previous day23:00 previous day00:0010:30
21:00 previous day20:00 previous day22:00 previous day23:00 previous day00:0001:0011:30
22:00 previous day21:00 previous day23:00 previous day00:0001:0002:0012:30
23:00 previous day22:00 previous day00:0001:0002:0003:0013:30
00:0023:00 previous day01:0002:0003:0004:0014:30
01:0000:0002:0003:0004:0005:0015:30
02:0001:0003:0004:0005:0006:0016:30
03:0002:0004:0005:0006:0007:0017:30
04:0003:0005:0006:0007:0008:0018:30
05:0004:0006:0007:0008:0009:0019:30
06:0005:0007:0008:0009:0010:0020:30

Shanghai Time Zone and Facts

Time Zone

Abbreviation / Offset
CST – China Standard Time, UTC+8 (no daylight saving time)

Shanghai Facts

Country
China
Alternative Names
SHA, San'nkae, Sanchajus, Sangaj, Sangay, Sanghaj, Sanghay, Sanhaja, Sanhajo, Sanxay, Schanghai, Shang-hai, Shang-hai-shih, Shangai, Shangaj, Shanghai, Shanghai - shang hai, Shanghai - 上海, Shankhaj, Sjanghae, Sjanghai, Sjanghæ, Szanghaj, Thuong Hai, Thượng Hải, Xangai, cankay, sangha'i, sanghae, sanghai, seiynghi, shang hai, shang hai shi, shanghay, shanghhay, shanhai, zhong guo shang hai, Ŝanhajo, Şangay, Şanghay, Şanxay, Šanchajus, Šangaj, Šanghaj, Šanhaja, Σανγκάη, Шангај, Шанхай, שאנגחאי, شانغهاي, شانگهای, شاڭخەي, شاڭخەي شەھىرى, সাংঘাই, சாங்காய், เซี่ยงไฮ้, შანჰაი, 上海, 上海市, 中国上海, 상하이, 상해
Population
24,874,500
Currency
Yuan Renminbi (CNY)
Geographic Coordinates
31° 13' N Latitude / 121° 27' E Longitude
International Dialing Code
+86
More About Shanghai
Shanghai local time and city facts

Alaska Standard Time

Offset: AKST is 9 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: United States

Principal Cities: The largest city in the AKST time zone is Anchorage in the United States, with about 289,600 people. Other major cities in this time zone include Fairbanks, Juneau, Knik-Fairview, Wasilla.

Map of the areas on Alaska Standard Time (AKST)
AKST part of the year

Today all shaded areas are on AKST.

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 Alaska Daylight Time (AKDT).

123456789101112Start: Alaska Standard Time (AKST) 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.

123456789101112End: Alaska Standard Time (AKST) 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.

AKST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -09 - basic short
  • -0900 - basic
  • -09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Victor - Military abbreviation for AKST
  • V - short form of 'Victor'
IANA/Olson: Reflects AKST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Anchorage
  • America/Juneau
  • America/Metlakatla
  • America/Nome
  • America/Sitka
  • America/Yakutat
  • US/Alaska
Time zones with the GMT -9 offset:
  • AKST - Alaska Standard Time
  • AHDT - Alaska-Hawaii Daylight Time
  • HADT - Hawaii-Aleutian Daylight Time
  • GAMT - Gambier Time
  • HDT - Hawaii-Aleutian Daylight Time
  • V - Victor Time Zone

Hilo Time Zone and Facts

Time Zone

Abbreviation / Offset
HST – Hawaii Standard Time, UTC-10 (no daylight saving time)

Hilo Facts

Country
USA
State
Hawaii
Alternative Names
Baie de Hilo, Chilo, Hido, Hilas, Hilo, ITO, Khilo, hillo, hilo, hiro, hylw, xi lu, xi luo, Χίλο, Хило, Хіло, הילו, ہیلو، ہوائی, हिलो, ヒロ, 希洛, 希路, 힐로
Population
43,263
Currency
Dollar (USD)
Geographic Coordinates
19° 43' N Latitude / 155° 05' W Longitude
International Dialing Code
+1
More About Hilo
Hilo local time and city facts

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 all shaded areas are on PST.

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).

123456789101112Start: Pacific Standard Time (PST) 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.

123456789101112End: Pacific Standard Time (PST) 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.

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

Mountain Daylight Time

Offset: MDT is 6 hours behind Greenwich Mean Time (GMT).

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

Principal Cities: The largest city in the MDT time zone is Ciudad Juárez in Mexico, with about 1.512 million people. Other major cities in this time zone include Denver, El Paso, Albuquerque, Colorado Springs.

French: HAR - Heure Avancée des Rocheuses

Spanish: MT - Zona Pacífico

Map of the areas on Mountain Daylight Time (MDT)
MDT part of the year

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

Open the world time zone map© OpenStreetMap

Daylight Saving: Mountain Daylight Time (MDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Mountain Standard Time (MST).

123456789101112End: Mountain Daylight Time (MDT) ended 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.

123456789101112Start: Mountain Daylight Time (MDT) starts 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. Daylight saving starts annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

MDT 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 MDT
  • S - short form of 'Sierra'
IANA/Olson: Reflects MDT 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/Denver
  • America/Edmonton
  • America/Inuvik
  • America/Shiprock
  • America/Yellowknife
  • Canada/Mountain
  • MST7MDT
  • Navajo
  • US/Mountain
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

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 all shaded areas are on CST.

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).

123456789101112Start: 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.

123456789101112End: 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

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

Eastern Daylight Time

Offset: EDT is 4 hours behind Greenwich Mean Time (GMT).

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

Principal Cities: The largest city in the EDT 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: HAE - Heure Avancée de l'Est

Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste

Map of the areas on Eastern Daylight Time (EDT)
EDT part of the year

Today the shaded areas are on UTC−5 (EST).

Open the world time zone map© OpenStreetMap

Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Eastern Standard Time (EST).

123456789101112End: Eastern Daylight Time (EDT) ended 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.

123456789101112Start: Eastern Daylight Time (EDT) starts 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. Daylight saving starts annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

EDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for EDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects EDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST5EDT
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time

India Standard Time

Offset: IST is 5 hours and 30 minutes ahead of Greenwich Mean Time (GMT).

Countries using this time zone: India

Principal Cities: The largest city in the IST time zone is Mumbai in India, with about 12.692 million people. Other major cities in this time zone include Delhi, Bengaluru, Hyderabad, Ahmedabad.

Daylight Saving: Clocks in India Standard Time (IST) do not change for daylight saving time, so IST 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 India: India time now

Map of the areas on India Standard Time (IST)
IST all year

Open the world time zone map© OpenStreetMap

IST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +0530 - basic
  • +05:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates an offset of five hours and thirty minutes to the east of the zero meridian.
IANA/Olson: Reflects IST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Calcutta
  • Asia/Kolkata
IST Abbreviation: Several time zones share IST abbreviation and it could refer to these time zones
  • India Standard Time - UTC +5:30
  • Irish Standard Time - UTC +1
  • Israel Standard Time - UTC +2