JST to CET to PST to EST to UTC Time Converter

JST
Japan Standard Time
UTC+9
Fri, Jan 8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CET
Central European Time
UTC+1
Thu, Jan 7 (previous day)
8h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PST
Pacific Standard Time
UTC−8
Thu, Jan 7 (previous day)
17h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST
Eastern Standard Time
UTC−5
Thu, Jan 7 (previous day)
14h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
UTC
Coordinated Universal Time
UTC+0
Thu, Jan 7 (previous day)
9h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

12:00 am00:00 JST (UTC+9), Jan 8, 2021 = 4:00 pm16:00 CET (UTC+1), Jan 7, 2021 = 7:00 am07:00 PST (UTC-8), Jan 7, 2021 = 10:00 am10:00 EST (UTC-5), Jan 7, 2021 = 3:00 pm15:00 UTC (UTC+0), Jan 7, 2021

JST is 8 hours ahead of CET. JST is 17 hours ahead of PST. JST is 14 hours ahead of EST. JST is 9 hours ahead of UTC.

How the time difference changes

JST to CET

For most of the year, JST is 7 hours ahead of CEST. From Oct 25, 2026 to Mar 28, 2027, JST is 8 hours ahead of CET.

For most of the year, working hours of 9:00 am to 6:00 pm in JST correspond to 2:00 am to 11:00 am in CEST. At other times of the year, working hours of 9:00 am to 6:00 pm in JST correspond to 1:00 am to 10:00 am in CET.For most of the year, working hours of 09:00 to 18:00 in JST correspond to 02:00 to 11:00 in CEST. At other times of the year, working hours of 09:00 to 18:00 in JST correspond to 01:00 to 10:00 in CET.

JST to PST

For most of the year, JST is 16 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, JST is 17 hours ahead of PST.

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

JST to EST

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

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

JST to UTC

JST is 9 hours ahead of UTC year-round.

Working hours of 9:00 am to 6:00 pm in JST correspond to 12:00 am to 9:00 am in UTC.Working hours of 09:00 to 18:00 in JST correspond to 00:00 to 09:00 in UTC.

Compare JST time with CET, PST, EST, and UTC time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Japan Standard Time is 8 hours ahead of Central European Time. Japan Standard Time is 17 hours ahead of Pacific Standard Time. Japan Standard Time is 14 hours ahead of Eastern Standard Time. Japan Standard Time is 9 hours ahead of Coordinated Universal Time.
12:00 am00:00 in JST is 4:00 pm16:00 in CET and is 7:00 am07:00 in PST and is 10:00 am10:00 in EST and is 3:00 pm15:00 in UTC

JST to CET call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in JST which corresponds to 9am-10am09:00-10:00 in CET
JST to PST call time
Best time for a conference call or a meeting is between 9am-11am09:00-11:00 in JST which corresponds to 4pm-6pm16:00-18:00 in PST (previous day)
JST to EST call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in JST which corresponds to 6pm-7pm18:00-19:00 in EST (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
JST to UTC call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm17:30-18:30 in JST which corresponds to 8:30am-9:30am08:30-09:30 in UTC. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

12:00 am00:00 Japan Standard Time (JST). Offset UTC +9:00 hours
4:00 pm16:00 Central European Time (CET). Offset UTC +1:00 hour
7:00 am07:00 Pacific Standard Time (PST). Offset UTC -8:00 hours
10:00 am10:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
3:00 pm15:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours

12:00 am00:00 JST / 4:00 pm16:00 CET / 7:00 am07:00 PST / 10:00 am10:00 EST / 3:00 pm15:00 UTC

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
JSTCETPSTESTUTC
4:00pm previous day7:00am previous day10:00am previous day3:00pm previous day
5:00pm previous day8:00am previous day11:00am previous day4:00pm previous day
6:00pm previous day9:00am previous day12:00pm previous day5:00pm previous day
7:00pm previous day10:00am previous day1:00pm previous day6:00pm previous day
8:00pm previous day11:00am previous day2:00pm previous day7:00pm previous day
9:00pm previous day12:00pm previous day3:00pm previous day8:00pm previous day
10:00pm previous day1:00pm previous day4:00pm previous day9:00pm previous day
11:00pm previous day2:00pm previous day5:00pm previous day10:00pm previous day
12:00am3:00pm previous day6:00pm previous day11:00pm previous day
1:00am4:00pm previous day7:00pm previous day12:00am
2:00am5:00pm previous day8:00pm previous day1:00am
3:00am6:00pm previous day9:00pm previous day2:00am
4:00am7:00pm previous day10:00pm previous day3:00am
5:00am8:00pm previous day11:00pm previous day4:00am
6:00am9:00pm previous day12:00am5:00am
7:00am10:00pm previous day1:00am6:00am
8:00am11:00pm previous day2:00am7:00am
9:00am12:00am3:00am8:00am
10:00am1:00am4:00am9:00am
11:00am2:00am5:00am10:00am
12:00pm3:00am6:00am11:00am
1:00pm4:00am7:00am12:00pm
2:00pm5:00am8:00am1:00pm
3:00pm6:00am9:00am2:00pm
16:00 previous day07:00 previous day10:00 previous day15:00 previous day
17:00 previous day08:00 previous day11:00 previous day16:00 previous day
18:00 previous day09:00 previous day12:00 previous day17:00 previous day
19:00 previous day10:00 previous day13:00 previous day18:00 previous day
20:00 previous day11:00 previous day14:00 previous day19:00 previous day
21:00 previous day12:00 previous day15:00 previous day20:00 previous day
22:00 previous day13:00 previous day16:00 previous day21:00 previous day
23:00 previous day14:00 previous day17:00 previous day22:00 previous day
00:0015:00 previous day18:00 previous day23:00 previous day
01:0016:00 previous day19:00 previous day00:00
02:0017:00 previous day20:00 previous day01:00
03:0018:00 previous day21:00 previous day02:00
04:0019:00 previous day22:00 previous day03:00
05:0020:00 previous day23:00 previous day04:00
06:0021:00 previous day00:0005:00
07:0022:00 previous day01:0006:00
08:0023:00 previous day02:0007:00
09:0000:0003:0008:00
10:0001:0004:0009:00
11:0002:0005:0010:00
12:0003:0006:0011:00
13:0004:0007:0012:00
14:0005:0008:0013:00
15:0006:0009:0014:00

Japan Standard Time

Offset: JST is 9 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Japan

Principal Cities: The largest city in the JST time zone is Tokyo in Japan, with about 9.733 million people. Other major cities in this time zone include Yokohama, Osaka, Nagoya, Sapporo.

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

Map of the areas on Japan Standard Time (JST)
JST all year

Open the world time zone map© OpenStreetMap

JST 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 east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for JST
  • I - short form of 'India'
IANA/Olson: Reflects JST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Tokyo
  • Japan
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • JST - Japan Standard Time
  • KST - Korea Standard Time
  • PWT - Palau Time
  • TLT - East Timor Time
  • ULAST - Ulaanbaatar Summer Time
  • WIT - Eastern Indonesian Time
  • YAKT - Yakutsk Time

Central European Time

Offset: CET is 1 hour ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Albania, Algeria, Andorra, Austria, Belgium, Bosnia and Herzegovina, Croatia, Czechia, Denmark, France, Germany, Gibraltar, Hungary, Italy, Kosovo, Liechtenstein, Luxembourg, Malta, Monaco, Montenegro, Netherlands, North Macedonia, Norway, Poland, San Marino, Serbia, Slovakia, Slovenia, Spain, Svalbard and Jan Mayen, Sweden, Switzerland, Tunisia, Vatican City

Principal Cities: The largest city in the CET time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Algiers, Rome, Paris.

German: MEZ - Mitteleuropäische Zeit

Map of the areas on Central European Time (CET)
CET all year CET part of the year

On January 8, 2021 all shaded areas are on CET.

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 European Summer Time (CEST).

123456789101112Start: Central European Time (CET) started on Sunday, October 25, 2020 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, October 25, 2020, 2:00 am02:00. Standard time starts annually on the last Sunday of October.

123456789101112End: Central European Time (CET) ends on Sunday, March 28, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 28, 2021, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

See upcoming clock changes worldwide.

CET representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for CET
  • A - short form of 'Alpha'
IANA/Olson: Reflects CET time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Algiers
  • Africa/Ceuta
  • Africa/Tunis
  • Arctic/Longyearbyen
  • Atlantic/Jan_Mayen
  • CET
  • Europe/Amsterdam
  • Europe/Andorra
  • Europe/Belgrade
  • Europe/Berlin
  • Europe/Bratislava
  • Europe/Brussels
  • Europe/Budapest
  • Europe/Busingen
  • Europe/Copenhagen
  • Europe/Gibraltar
  • Europe/Ljubljana
  • Europe/Luxembourg
  • Europe/Madrid
  • Europe/Malta
  • Europe/Monaco
  • Europe/Oslo
  • Europe/Paris
  • Europe/Podgorica
  • Europe/Prague
  • Europe/Rome
  • Europe/San_Marino
  • Europe/Sarajevo
  • Europe/Skopje
  • Europe/Stockholm
  • Europe/Tirane
  • Europe/Vaduz
  • Europe/Vatican
  • Europe/Vienna
  • Europe/Warsaw
  • Europe/Zagreb
  • Europe/Zurich
  • MET
  • Poland
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

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

On January 8, 2021 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, 2020 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2020, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Pacific Standard Time (PST) ends on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2021, 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

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

On January 8, 2021 some shaded areas are on UTC−6 (Central Standard 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 Eastern Daylight Time (EDT).

123456789101112Start: Eastern Standard Time (EST) started on Sunday, November 1, 2020 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2020, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

123456789101112End: Eastern Standard Time (EST) ends on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2021, 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.

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

Coordinated Universal Time

Offset: UTC is the same as Greenwich Mean Time (GMT).

Countries using this time zone: Antarctica, Burkina Faso, Faroe Islands, Gambia, Ghana, Greenland, Guernsey, Guinea, Guinea-Bissau, Iceland, Ireland, Isle of Man, Ivory Coast, Jersey, Liberia, Mali, Mauritania, Morocco, Portugal, Saint Helena, São Tomé and Príncipe, Senegal, Sierra Leone, Spain, Togo, United Kingdom, Western Sahara

Principal Cities: The largest city in the UTC time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Abidjan, Bamako, Casablanca, Dakar.

Coordinated Universal Time (UTC) is the world time standard that regulates clocks and time. It is the successor to Greenwich Mean Time (GMT). For casual use, UTC is the same as GMT, but UTC is the standard the scientific community uses.
UTC has been the time standard commonly used across the world since 1972. It is used in many technical fields, such as aviation and meteorology, and to synchronize time across internet networks.

Map of the areas on Coordinated Universal Time (UTC)
UTC all year UTC part of the year

On January 8, 2021 some shaded areas are on UTC−1 or UTC+1.

Open the world time zone map© OpenStreetMap

UTC representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
  • +00 - basic short
  • +0000 - basic
  • +00:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Zulu - Military abbreviation for UTC
  • Z - short form of 'Zulu'
IANA/Olson: Reflects UTC time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Etc/UCT
  • Etc/UTC
  • Etc/Universal
  • Etc/Zulu
  • UCT
  • UTC
  • Universal
  • Zulu
Time zones with the GMT +0 offset:
  • EGST - Eastern Greenland Summer Time
  • GMT - Greenwich Mean Time
  • WET - Western European Time
  • AZOST - Azores Summer Time
  • UTC - Coordinated Universal Time
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT