UTC
Universal Time Coordinated
GMT +0
Tue, Sep 14
12am
3am
6am
9am
12pm
3pm
6pm
9pm
PDT
Pacific Daylight Time
GMT -7
Tue, Sep 14
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CEST
Central European Summer Time
GMT +2
Tue, Sep 14
12am
3am
6am
9am
12pm
3pm
6pm
9pm
KST
Korea Standard Time
GMT +9
Tue, Sep 14
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EDT/EST
Eastern Daylight Time
GMT -4
Tue, Sep 14
12am
3am
6am
9am
12pm
3pm
6pm
9pm
EST is not observed in the America/New_York reference zone on this date
The converter is using EDT (Eastern Daylight Time, GMT -4), the current offset for America/New_York. Open the EDT converter.

Compare UTC time with PDT, CEST, KST, and EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Universal Time Coordinated is 7 hours ahead of Pacific Daylight Time and 2 hours behind Central European Summer Time and 9 hours behind Korea Standard Time and 4 hours ahead of Eastern Daylight Time
10:00 am10:00 in UTC is 3:00 am03:00 in PDT and is 12:00 pm12:00 in CEST and is 7:00 pm19:00 in KST and is 6:00 am06:00 in EDT

UTC to PDT call time
Best time for a conference call or a meeting is between 4pm-5pm in UTC which corresponds to 9am-10am in PDT
UTC to CEST call time
Best time for a conference call or a meeting is between 9am-3pm in UTC which corresponds to 11am-5pm in CEST
UTC to KST call time
Best time for a conference call or a meeting is between 8am-9am in UTC which corresponds to 5pm-6pm in KST
UTC to EDT call time
Best time for a conference call or a meeting is between 1pm-5pm in UTC which corresponds to 9am-1pm in EDT

10:00 am10:00 Universal Time Coordinated (UTC). Offset UTC 0:00 hours
3:00 am03:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
12:00 pm12:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
7:00 pm19:00 Korea Standard Time (KST). Offset UTC +9:00 hours
6:00 am06:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours

10:00 am10:00 UTC / 3:00 am03:00 PDT / 12:00 pm12:00 CEST / 7:00 pm19:00 KST / 6:00 am06:00 EDT

UTCPDTCESTKSTEDT
12am (midnight)5pm2am9am8pm
1am6pm3am10am9pm
2am7pm4am11am10pm
3am8pm5am12pm (noon)11pm
4am9pm6am1pm12am (midnight)
5am10pm7am2pm1am
6am11pm8am3pm2am
7am12am (midnight)9am4pm3am
8am1am10am5pm4am
9am2am11am6pm5am
10am3am12pm (noon)7pm6am
11am4am1pm8pm7am
12pm (noon)5am2pm9pm8am
1pm6am3pm10pm9am
2pm7am4pm11pm10am
3pm8am5pm12am (midnight)11am
4pm9am6pm1am12pm (noon)
5pm10am7pm2am1pm
6pm11am8pm3am2pm
7pm12pm (noon)9pm4am3pm
8pm1pm10pm5am4pm
9pm2pm11pm6am5pm
10pm3pm12am (midnight)7am6pm
11pm4pm1am8am7pm
00:0017:0002:0009:0020:00
01:0018:0003:0010:0021:00
02:0019:0004:0011:0022:00
03:0020:0005:0012:0023:00
04:0021:0006:0013:0000:00
05:0022:0007:0014:0001:00
06:0023:0008:0015:0002:00
07:0000:0009:0016:0003:00
08:0001:0010:0017:0004:00
09:0002:0011:0018:0005:00
10:0003:0012:0019:0006:00
11:0004:0013:0020:0007:00
12:0005:0014:0021:0008:00
13:0006:0015:0022:0009:00
14:0007:0016:0023:0010:00
15:0008:0017:0000:0011:00
16:0009:0018:0001:0012:00
17:0010:0019:0002:0013:00
18:0011:0020:0003:0014:00
19:0012:0021:0004:0015:00
20:0013:0022:0005:0016:00
21:0014:0023:0006:0017:00
22:0015:0000:0007:0018:00
23:0016:0001:0008:0019:00

Universal Time Coordinated

Offset: UTC is 0 hours ahead Greenwich Mean Time (GMT) and is used in Universal

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

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 zero hour and zero minutes time differences of the zero meridian.
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 - Universal Time Coordinated
  • WT - Western Sahara Standard Time
  • Z - Zulu Time Zone

Pacific Daylight Time

Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada, Mexico, United States

Principal Cities: The largest city in the PDT timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose

French: HAP - Heure Avancée du Pacifique

Spanish: PT - Zona Noroeste

PDT Time Zone Geo Map
PDT timezone map

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Pacific Standard Time (PST).

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Pacific Daylight Time (PDT) started on Sunday, March 14, 2021 at 2:00 am local time and clocks were set one hour forward to Sunday, March 14, 2021, 3:00 am. Daylight saving starts annually the on second Sunday of March

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Pacific Daylight Time (PDT) ends on Sunday, November 7, 2021 at 2:00 am local time and clocks are set one hour back to Sunday, November 7, 2021, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

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 seven hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • 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

Central European Summer Time

Offset: CEST is 2 hours ahead Greenwich Mean Time (GMT) and is used in Europe

Countries: It is used in following countries: Andorra, Albania, Austria, Bosnia & Herzegovina, Belgium, Switzerland, Czech Republic, Germany, Denmark, Spain, France, Gibraltar, Croatia, Hungary, Italy, Liechtenstein, Luxembourg, Monaco, Montenegro, North Macedonia, Malta, Netherlands, Norway, Poland, Serbia, Sweden, Slovenia, Svalbard & Jan Mayen, Slovakia, San Marino, Vatican City

Principal Cities: The largest city in the CEST timezone is Berlin from Germany with population about 3.426 million people. Other major cities in the area are Madrid, Rome, Paris, Budapest

German: MESZ - Mitteleuropäische Sommerzeit

CEST Time Zone Geo Map
CEST timezone map

Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Central European Time (CET).

Daylight saving time clock moves forward for one hour from 2am to 3amStart: Central European Summer Time (CEST) started on Sunday, March 28, 2021 at 2:00 am local time and clocks were set one hour forward to Sunday, March 28, 2021, 3:00 am. Daylight saving starts annually the on last Sunday of March

Daylight saving time clock moves back for one hour from 3am to 2amEnd: Central European Summer Time (CEST) ends on Sunday, October 31, 2021 at 3:00 am local time and clocks are set one hour back to Sunday, October 31, 2021, 2:00 am local standard time instead. Daylight saving ends annually the on last Sunday of October

CEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +02 - basic short
  • +0200 - basic
  • +02:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates two hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Bravo - Military abbreviation for CEST
  • B - short form of 'Bravo'
IANA/Olson: Reflects CEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Africa/Ceuta
  • 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 +2 offset:
  • CEST - Central European Summer Time
  • EET - Eastern European Time
  • MESZ - Mitteleuropäische Sommerzeit
  • B - Bravo Time Zone
  • CAT - Central Africa Time
  • IST - Israel Standard Time
  • SAST - South Africa Standard Time
  • WAST - West Africa Summer Time

Korea Standard Time

Offset: KST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: Korea (North), Korea (South)

Principal Cities: The largest city in the KST timezone is Seoul from South Korea with population about 10.349 million people. Other major cities in the area are Busan, Pyongyang, Incheon, Daegu

Daylight Saving: Korea Standard Time (KST) is not adjusted for daylight saving therefore KST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Korea Standard Time remains the same

KST Time Zone Geo Map
KST timezone map

KST 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 nine hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for KST
  • I - short form of 'India'
IANA/Olson: Reflects KST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Pyongyang
  • Asia/Seoul
  • ROK
KST Abbreviation: Several time zones share KST abbreviation and it could refer to these time zones
  • Korea Standard Time - UTC +9
  • Pyongyang Time - UTC +8:30
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

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada, Jamaica, Cayman Islands, Mexico, Panama

Principal Cities: The largest city in the EST timezone is Kingston from Jamaica with population about 937,700 people. Other major cities in the area are New Kingston, Cancun, Panama, San Miguelito

French: HNE - Heure Normale de l'Est

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

EST Time Zone Geo Map
EST timezone map

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

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Eastern Standard Time (EST) has ended on Sunday, March 14, 2021 at 2:00 am local time and clocks were set one hour forward to Sunday, March 14, 2021, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.

Daylight saving time clock moves back for one hour from 2am to 1amStart: Eastern Standard Time (EST) starts on Sunday, November 7, 2021 at 2:00 am local time and clocks are set one hour back to Sunday, November 7, 2021, 1:00 am. Standard time starts annually the on first Sunday of November.

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 five hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • 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