UTC to PDT to CEST to KST to EST Time Converter
Eastern Time is on daylight saving time: EDT (UTC−4) until Sun, Nov 7.
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Quick answers
Selected conversion
8:00 am08:00 UTC (UTC+0), Sep 14, 2021 = 1:00 am01:00 PDT (UTC-7), Sep 14, 2021 = 10:00 am10:00 CEST (UTC+2), Sep 14, 2021 = 5:00 pm17:00 KST (UTC+9), Sep 14, 2021 = 4:00 am04:00 EDT (UTC-4), Sep 14, 2021
UTC is 7 hours ahead of PDT. UTC is 2 hours behind CEST. UTC is 9 hours behind KST. UTC is 4 hours ahead of EDT.
How the time difference changes
UTC to PDT
For most of the year, UTC is 7 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, UTC is 8 hours ahead of PST.
For most of the year, working hours of 9:00 am to 5:00 pm in UTC correspond to 2:00 am to 10:00 am in PDT. At other times of the year, working hours of 9:00 am to 5:00 pm in UTC correspond to 1:00 am to 9:00 am in PST.For most of the year, working hours of 09:00 to 17:00 in UTC correspond to 02:00 to 10:00 in PDT. At other times of the year, working hours of 09:00 to 17:00 in UTC correspond to 01:00 to 09:00 in PST.
UTC to CEST
For most of the year, UTC is 2 hours behind CEST. From Oct 25, 2026 to Mar 28, 2027, UTC is 1 hour behind CET.
For most of the year, working hours of 9:00 am to 5:00 pm in UTC correspond to 11:00 am to 7:00 pm in CEST. At other times of the year, working hours of 9:00 am to 5:00 pm in UTC correspond to 10:00 am to 6:00 pm in CET.For most of the year, working hours of 09:00 to 17:00 in UTC correspond to 11:00 to 19:00 in CEST. At other times of the year, working hours of 09:00 to 17:00 in UTC correspond to 10:00 to 18:00 in CET.
UTC to KST
UTC is 9 hours behind KST year-round.
Working hours of 9:00 am to 5:00 pm in UTC correspond to 6:00 pm to 2:00 am (next day) in KST.Working hours of 09:00 to 17:00 in UTC correspond to 18:00 to 02:00 (next day) in KST.
UTC to EST
For most of the year, UTC is 4 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, UTC is 5 hours ahead of EST.
For most of the year, working hours of 9:00 am to 5:00 pm in UTC correspond to 5:00 am to 1:00 pm in EDT. At other times of the year, working hours of 9:00 am to 5:00 pm in UTC correspond to 4:00 am to 12:00 pm in EST.For most of the year, working hours of 09:00 to 17:00 in UTC correspond to 05:00 to 13:00 in EDT. At other times of the year, working hours of 09:00 to 17:00 in UTC correspond to 04:00 to 12:00 in EST.
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
Coordinated Universal Time is 7 hours ahead of Pacific Daylight Time. Coordinated Universal Time is 2 hours behind Central European Summer Time. Coordinated Universal Time is 9 hours behind Korea Standard Time. Coordinated Universal Time is 4 hours ahead of Eastern Daylight Time.
8:00 am08:00 in UTC is 1:00 am01:00 in PDT and is 10:00 am10:00 in CEST and is 5:00 pm17:00 in KST and is 4:00 am04:00 in EDT
UTC to PDT call time
Best time for a conference call or a meeting is between 4pm-5pm16:00-17:00 in UTC which corresponds to 9am-10am09:00-10:00 in PDT
UTC to CEST call time
Best time for a conference call or a meeting is between 9am-3pm09:00-15:00 in UTC which corresponds to 11am-5pm11:00-17:00 in CEST
UTC to KST call time
Best time for a conference call or a meeting is between 8am-9am08:00-09:00 in UTC which corresponds to 5pm-6pm17:00-18:00 in KST. Their 9am–5pm09:00–17:00 working hours do not overlap; this is a suggested compromise.
UTC to EDT call time
Best time for a conference call or a meeting is between 1pm-5pm13:00-17:00 in UTC which corresponds to 9am-1pm09:00-13:00 in EDT
8:00 am08:00 Coordinated Universal Time (UTC). Offset UTC 0:00 hours
1:00 am01:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
10:00 am10:00 Central European Summer Time (CEST). Offset UTC +2:00 hours
5:00 pm17:00 Korea Standard Time (KST). Offset UTC +9:00 hours
4:00 am04:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
8:00 am08:00 UTC / 1:00 am01:00 PDT / 10:00 am10:00 CEST / 5:00 pm17:00 KST / 4:00 am04:00 EDT
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.
| UTC | PDT | CEST | KST | EDT |
|---|---|---|---|---|
| 5:00pm previous day | 2:00am | 9:00am | 8:00pm previous day | |
| 6:00pm previous day | 3:00am | 10:00am | 9:00pm previous day | |
| 7:00pm previous day | 4:00am | 11:00am | 10:00pm previous day | |
| 8:00pm previous day | 5:00am | 12:00pm | 11:00pm previous day | |
| 9:00pm previous day | 6:00am | 1:00pm | 12:00am | |
| 10:00pm previous day | 7:00am | 2:00pm | 1:00am | |
| 11:00pm previous day | 8:00am | 3:00pm | 2:00am | |
| 12:00am | 9:00am | 4:00pm | 3:00am | |
| 1:00am | 10:00am | 5:00pm | 4:00am | |
| 2:00am | 11:00am | 6:00pm | 5:00am | |
| 3:00am | 12:00pm | 7:00pm | 6:00am | |
| 4:00am | 1:00pm | 8:00pm | 7:00am | |
| 5:00am | 2:00pm | 9:00pm | 8:00am | |
| 6:00am | 3:00pm | 10:00pm | 9:00am | |
| 7:00am | 4:00pm | 11:00pm | 10:00am | |
| 8:00am | 5:00pm | 12:00am next day | 11:00am | |
| 9:00am | 6:00pm | 1:00am next day | 12:00pm | |
| 10:00am | 7:00pm | 2:00am next day | 1:00pm | |
| 11:00am | 8:00pm | 3:00am next day | 2:00pm | |
| 12:00pm | 9:00pm | 4:00am next day | 3:00pm | |
| 1:00pm | 10:00pm | 5:00am next day | 4:00pm | |
| 2:00pm | 11:00pm | 6:00am next day | 5:00pm | |
| 3:00pm | 12:00am next day | 7:00am next day | 6:00pm | |
| 4:00pm | 1:00am next day | 8:00am next day | 7:00pm | |
| 17:00 previous day | 02:00 | 09:00 | 20:00 previous day | |
| 18:00 previous day | 03:00 | 10:00 | 21:00 previous day | |
| 19:00 previous day | 04:00 | 11:00 | 22:00 previous day | |
| 20:00 previous day | 05:00 | 12:00 | 23:00 previous day | |
| 21:00 previous day | 06:00 | 13:00 | 00:00 | |
| 22:00 previous day | 07:00 | 14:00 | 01:00 | |
| 23:00 previous day | 08:00 | 15:00 | 02:00 | |
| 00:00 | 09:00 | 16:00 | 03:00 | |
| 01:00 | 10:00 | 17:00 | 04:00 | |
| 02:00 | 11:00 | 18:00 | 05:00 | |
| 03:00 | 12:00 | 19:00 | 06:00 | |
| 04:00 | 13:00 | 20:00 | 07:00 | |
| 05:00 | 14:00 | 21:00 | 08:00 | |
| 06:00 | 15:00 | 22:00 | 09:00 | |
| 07:00 | 16:00 | 23:00 | 10:00 | |
| 08:00 | 17:00 | 00:00 next day | 11:00 | |
| 09:00 | 18:00 | 01:00 next day | 12:00 | |
| 10:00 | 19:00 | 02:00 next day | 13:00 | |
| 11:00 | 20:00 | 03:00 next day | 14:00 | |
| 12:00 | 21:00 | 04:00 next day | 15:00 | |
| 13:00 | 22:00 | 05:00 next day | 16:00 | |
| 14:00 | 23:00 | 06:00 next day | 17:00 | |
| 15:00 | 00:00 next day | 07:00 next day | 18:00 | |
| 16:00 | 01:00 next day | 08:00 next day | 19:00 |
Coordinated Universal Time
Offset: UTC is the same as Greenwich Mean Time (GMT).
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.
On September 14, 2021 some shaded areas are on UTC+1 (British Summer Time, Irish Standard Time, WEST).
UTC representations, usage and related time zones
- Z - is the zone designator for the zero UTC/GMT offset, also known as 'Zulu' time
- +00 - basic short
- +0000 - basic
- +00:00 - extended
- +0000 - sign character (+) followed by a four digit time providing hours (00) and minutes (00) of the offset. Indicates the zero UTC/GMT offset.
- Zulu - Military abbreviation for UTC
- Z - short form of 'Zulu'
- Etc/UCT
- Etc/UTC
- Etc/Universal
- Etc/Zulu
- UCT
- UTC
- Universal
- Zulu
- 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
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada, 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
On September 14, 2021 all shaded areas are on PDT.
Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) started on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 14, 2021, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
End: Pacific Daylight Time (PDT) ends on Sunday, November 7, 2021 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 7, 2021, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
PDT representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -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.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- 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 of Greenwich Mean Time (GMT).
Countries using this time zone: 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 time zone is Berlin in Germany, with about 3.426 million people. Other major cities in this time zone include Madrid, Rome, Paris, Hamburg.
German: MESZ - Mitteleuropäische Sommerzeit
On September 14, 2021 all shaded areas are on CEST.
Daylight Saving: Central European Summer Time (CEST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central European Time (CET).
Start: Central European Summer Time (CEST) started on Sunday, March 28, 2021 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 28, 2021, 3:00 am03:00. Daylight saving starts annually on the last Sunday of March.
End: Central European Summer Time (CEST) ends on Sunday, October 31, 2021 at 3:00 am03:00 local time and clocks are set one hour back to Sunday, October 31, 2021, 2:00 am02:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
CEST representations, usage and related time zones
- +02 - basic short
- +0200 - basic
- +02:00 - extended
- +0200 - sign character (+) followed by a four digit time providing hours (02) and minutes (00) of the offset. Indicates an offset of two hours to the east of the zero meridian.
- Bravo - Military abbreviation for CEST
- B - short form of 'Bravo'
- 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
- 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 of Greenwich Mean Time (GMT).
Countries using this time zone: Korea (North), Korea (South)
Principal Cities: The largest city in the KST time zone is Seoul in South Korea, with about 10.349 million people. Other major cities in this time zone include Busan, Pyongyang, Incheon, Daegu.
Daylight Saving: Clocks in Korea Standard Time (KST) do not change for daylight saving time, so KST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
KST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +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.
- India - Military abbreviation for KST
- I - short form of 'India'
- Asia/Pyongyang
- Asia/Seoul
- ROK
- Korea Standard Time - UTC +9
- Pyongyang Time - UTC +8:30
- 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).
Countries using this time zone: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, 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
On September 14, 2021 the lighter areas are on UTC−4 (EDT).
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).
End: Eastern Standard Time (EST) ended on Sunday, March 14, 2021 at 2:00 am02:00 local time and clocks were 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.
Start: Eastern Standard Time (EST) starts on Sunday, November 7, 2021 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 7, 2021, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
EST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -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.
- Romeo - Military abbreviation for EST
- R - short form of 'Romeo'
- 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
- 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