IST to EDT to CST to MST to PDT to Hilo to AKST to Shanghai Time Converter

Updating current time…
IST
India Standard Time
UTC+5:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST/EDT
Eastern Standard Time
UTC−5
10h 30m 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)
CST
Central Standard Time
UTC−6
11h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MST
Mountain Standard Time
UTC−7
12h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PST/PDT
Pacific Standard Time
UTC−8
13h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Pacific Time is on standard time: PST (UTC−8) until Sun, Mar 14, 2027.
Keep PDT (UTC−7)
Hilo
Hawaii, USAHST
UTC−10
15h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AKST
Alaska Standard Time
UTC−9
14h 30m behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Shanghai
ChinaCST
UTC+8
2h 30m ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

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

IST is 10 hours and 30 minutes ahead of EST. IST is 11 hours and 30 minutes ahead of CST. IST is 12 hours and 30 minutes ahead of MST. IST is 13 hours and 30 minutes ahead of PST. IST is 15 hours and 30 minutes ahead of Hilo. IST is 14 hours and 30 minutes ahead of AKST. IST is 2 hours and 30 minutes behind Shanghai.

How the time difference changes

IST to EDT

For most of the year, IST is 9 hours and 30 minutes ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, IST is 10 hours and 30 minutes ahead of EST.

For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 11:30 pm (previous day) to 8:30 am in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 10:30 pm (previous day) to 7:30 am in EST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 23:30 (previous day) to 08:30 in EDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 22:30 (previous day) to 07:30 in EST.

IST to CST

For most of the year, IST is 10 hours and 30 minutes ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, IST is 11 hours and 30 minutes ahead of CST.

For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 10:30 pm (previous day) to 7:30 am in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 9:30 pm (previous day) to 6:30 am in CST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 22:30 (previous day) to 07:30 in CDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 21:30 (previous day) to 06:30 in CST.

IST to MST

For most of the year, IST is 11 hours and 30 minutes ahead of MDT. From Nov 1, 2026 to Mar 14, 2027, IST is 12 hours and 30 minutes ahead of MST.

For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 9:30 pm (previous day) to 6:30 am in MDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 8:30 pm (previous day) to 5:30 am in MST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 21:30 (previous day) to 06:30 in MDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 20:30 (previous day) to 05:30 in MST.

IST to PDT

For most of the year, IST is 12 hours and 30 minutes ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, IST is 13 hours and 30 minutes ahead of PST.

For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 8:30 pm (previous day) to 5:30 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 7:30 pm (previous day) to 4:30 am in PST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 20:30 (previous day) to 05:30 in PDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 19:30 (previous day) to 04:30 in PST.

IST to Hilo

IST is 15 hours and 30 minutes ahead of Hilo year-round.

Working hours of 9:00 am to 6:00 pm in IST correspond to 5:30 pm (previous day) to 2:30 am in Hilo.Working hours of 09:00 to 18:00 in IST correspond to 17:30 (previous day) to 02:30 in Hilo.

IST to AKST

For most of the year, IST is 13 hours and 30 minutes ahead of AKDT. From Nov 1, 2026 to Mar 14, 2027, IST is 14 hours and 30 minutes ahead of AKST.

For most of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 7:30 pm (previous day) to 4:30 am in AKDT. At other times of the year, working hours of 9:00 am to 6:00 pm in IST correspond to 6:30 pm (previous day) to 3:30 am in AKST.For most of the year, working hours of 09:00 to 18:00 in IST correspond to 19:30 (previous day) to 04:30 in AKDT. At other times of the year, working hours of 09:00 to 18:00 in IST correspond to 18:30 (previous day) to 03:30 in AKST.

IST to Shanghai

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

Working hours of 9:00 am to 6:00 pm in IST correspond to 11:30 am to 8:30 pm in Shanghai.Working hours of 09:00 to 18:00 in IST correspond to 11:30 to 20:30 in Shanghai.

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

Time Difference

India Standard Time is 10 hours and 30 minutes ahead of Eastern Standard Time. India Standard Time is 11 hours and 30 minutes ahead of Central Standard Time. India Standard Time is 12 hours and 30 minutes ahead of Mountain Standard Time. India Standard Time is 13 hours and 30 minutes ahead of Pacific Standard Time. India Standard Time is 15 hours and 30 minutes ahead of HST (Hawaii Standard Time). India Standard Time is 14 hours and 30 minutes ahead of Alaska Standard Time. India Standard Time is 2 hours and 30 minutes behind CST (China Standard Time).
5:30 pm17:30 in IST is 7:00 am07:00 in EST and is 6:00 am06:00 in CST and is 5:00 am05:00 in MST and is 4:00 am04:00 in PST and is 2:00 am02:00 in Hilo, HI, USA and is 3:00 am03:00 in AKST and is 8:00 pm20:00 in Shanghai, China

IST to EST call time
Best time for a conference call or a meeting is between 6:30pm-7:30pm18:30-19:30 in IST which corresponds to 8am-9am08:00-09:00 in EST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
IST to CST call time
Best time for a conference call or a meeting is between 7pm-8pm19:00-20:00 in IST which corresponds to 7:30am-8:30am07:30-08:30 in CST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
IST to MST call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in IST which corresponds to 7pm-8pm19:00-20:00 in MST (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
IST to PST call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in IST which corresponds to 6:30pm-7:30pm18:30-19:30 in PST (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
IST to Hilo call time
Best time for a conference call or a meeting is between 9am-9:30am09:00-09:30 in IST which corresponds to 5:30pm-6pm17:30-18:00 in Hilo (previous day)
IST to AKST call time
Best time for a conference call or a meeting is between 8:30am-9:30am08:30-09:30 in IST which corresponds to 6pm-7pm18:00-19:00 in AKST (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
IST to Shanghai call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in IST which corresponds to 11:30am-6pm11:30-18:00 in Shanghai

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

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

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
ISTESTCSTMSTPSTHilo, HI, USAAKSTShanghai, China
1:30pm previous day12:30pm previous day11:30am previous day10:30am previous day8:30am previous day9:30am previous day2:30am
2:30pm previous day1:30pm previous day12:30pm previous day11:30am previous day9:30am previous day10:30am previous day3:30am
3:30pm previous day2:30pm previous day1:30pm previous day12:30pm previous day10:30am previous day11:30am previous day4:30am
4:30pm previous day3:30pm previous day2:30pm previous day1:30pm previous day11:30am previous day12:30pm previous day5:30am
5:30pm previous day4:30pm previous day3:30pm previous day2:30pm previous day12:30pm previous day1:30pm previous day6:30am
6:30pm previous day5:30pm previous day4:30pm previous day3:30pm previous day1:30pm previous day2:30pm previous day7:30am
7:30pm previous day6:30pm previous day5:30pm previous day4:30pm previous day2:30pm previous day3:30pm previous day8:30am
8:30pm previous day7:30pm previous day6:30pm previous day5:30pm previous day3:30pm previous day4:30pm previous day9:30am
9:30pm previous day8:30pm previous day7:30pm previous day6:30pm previous day4:30pm previous day5:30pm previous day10:30am
10:30pm previous day9:30pm previous day8:30pm previous day7:30pm previous day5:30pm previous day6:30pm previous day11:30am
11:30pm previous day10:30pm previous day9:30pm previous day8:30pm previous day6:30pm previous day7:30pm previous day12:30pm
12:30am11:30pm previous day10:30pm previous day9:30pm previous day7:30pm previous day8:30pm previous day1:30pm
1:30am12:30am11:30pm previous day10:30pm previous day8:30pm previous day9:30pm previous day2:30pm
2:30am1:30am12:30am11:30pm previous day9:30pm previous day10:30pm previous day3:30pm
3:30am2:30am1:30am12:30am10:30pm previous day11:30pm previous day4:30pm
4:30am3:30am2:30am1:30am11:30pm previous day12:30am5:30pm
5:30am4:30am3:30am2:30am12:30am1:30am6:30pm
6:30am5:30am4:30am3:30am1:30am2:30am7:30pm
7:30am6:30am5:30am4:30am2:30am3:30am8:30pm
8:30am7:30am6:30am5:30am3:30am4:30am9:30pm
9:30am8:30am7:30am6:30am4:30am5:30am10:30pm
10:30am9:30am8:30am7:30am5:30am6:30am11:30pm
11:30am10:30am9:30am8:30am6:30am7:30am12:30am next day
12:30pm11:30am10:30am9:30am7:30am8:30am1:30am next day
13:30 previous day12:30 previous day11:30 previous day10:30 previous day08:30 previous day09:30 previous day02:30
14:30 previous day13:30 previous day12:30 previous day11:30 previous day09:30 previous day10:30 previous day03:30
15:30 previous day14:30 previous day13:30 previous day12:30 previous day10:30 previous day11:30 previous day04:30
16:30 previous day15:30 previous day14:30 previous day13:30 previous day11:30 previous day12:30 previous day05:30
17:30 previous day16:30 previous day15:30 previous day14:30 previous day12:30 previous day13:30 previous day06:30
18:30 previous day17:30 previous day16:30 previous day15:30 previous day13:30 previous day14:30 previous day07:30
19:30 previous day18:30 previous day17:30 previous day16:30 previous day14:30 previous day15:30 previous day08:30
20:30 previous day19:30 previous day18:30 previous day17:30 previous day15:30 previous day16:30 previous day09:30
21:30 previous day20:30 previous day19:30 previous day18:30 previous day16:30 previous day17:30 previous day10:30
22:30 previous day21:30 previous day20:30 previous day19:30 previous day17:30 previous day18:30 previous day11:30
23:30 previous day22:30 previous day21:30 previous day20:30 previous day18:30 previous day19:30 previous day12:30
00:3023:30 previous day22:30 previous day21:30 previous day19:30 previous day20:30 previous day13:30
01:3000:3023:30 previous day22:30 previous day20:30 previous day21:30 previous day14:30
02:3001:3000:3023:30 previous day21:30 previous day22:30 previous day15:30
03:3002:3001:3000:3022:30 previous day23:30 previous day16:30
04:3003:3002:3001:3023:30 previous day00:3017:30
05:3004:3003:3002:3000:3001:3018:30
06:3005:3004:3003:3001:3002:3019:30
07:3006:3005:3004:3002:3003:3020:30
08:3007:3006:3005:3003:3004:3021:30
09:3008:3007:3006:3004:3005:3022:30
10:3009:3008:3007:3005:3006:3023:30
11:3010:3009:3008:3006:3007:3000:30 next day
12:3011:3010:3009:3007:3008:3001:30 next day

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

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

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

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 all shaded areas are on MST.

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).

123456789101112Start: Mountain Standard Time (MST) 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: Mountain Standard Time (MST) 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.

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 Daylight Time

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

Countries using this time zone: Mexico, United States

Principal Cities: The largest city in the PDT 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: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

Map of the areas on Pacific Daylight Time (PDT)
PDT part of the year

Today the shaded areas are on UTC−8 (Pacific Standard Time).

Open the world time zone map© OpenStreetMap

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

123456789101112End: Pacific Daylight Time (PDT) 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: Pacific Daylight Time (PDT) 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.

PDT 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 PDT
  • T - short form of 'Tango'
IANA/Olson: Reflects PDT 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
Time zones with the GMT -7 offset:
  • MST - Mountain Standard Time
  • PDT - Pacific Daylight Time
  • YST - Yukon Standard Time
  • T - Tango 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

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

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