California, USA
PDT
KST
Korea Standard Time
GMT +9

Time Difference

PDT (Pacific Daylight Time) is 16 hours behind Korea Standard Time
11:00 am11:00 in Cupertino, CA, USA is 3:00 am03:00 in KST

Cupertino to KST call time
Best time for a conference call or a meeting is between 5am-7am in Cupertino which corresponds to 9pm-11pm in KST

11:00 am11:00 PDT (Pacific Daylight Time) (Cupertino, CA, USA). Offset UTC -7:00 hours
3:00 am03:00 Korea Standard Time (KST). Offset UTC +9:00 hours

11:00 am11:00 Cupertino, CA, USA / 3:00 am03:00 KST

Cupertino, CA, USA KST
12am (midnight) 4pm
1am 5pm
2am 6pm
3am 7pm
4am 8pm
5am 9pm
6am 10pm
7am 11pm
8am 12am (midnight)
9am 1am
10am 2am
11am 3am
12pm (noon) 4am
1pm 5am
2pm 6am
3pm 7am
4pm 8am
5pm 9am
6pm 10am
7pm 11am
8pm 12pm (noon)
9pm 1pm
10pm 2pm
11pm 3pm
0:00 16:00
1:00 17:00
2:00 18:00
3:00 19:00
4:00 20:00
5:00 21:00
6:00 22:00
7:00 23:00
8:00 0:00
9:00 1:00
10:00 2:00
11:00 3:00
12:00 4:00
13:00 5:00
14:00 6:00
15:00 7:00
16:00 8:00
17:00 9:00
18:00 10:00
19:00 11:00
20:00 12:00
21:00 13:00
22:00 14:00
23:00 15:00

Cupertino Information

Time Zone

Abbreviation / Name
PDT - Pacific Daylight Time
HNP - Heure Normale du Pacifique
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Heure Normale du Pacifique.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 13, 2022 at 2:00 am local time. DST starts annually the on second Sunday of March. Clocks are turned forward 1 hour to Sunday, March 13, 2022, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 2am to 1am Sunday, November 6, 2022 at 2:00 am local time. DST ends annually the on first Sunday of November. Clocks are turned backward 1 hour to Sunday, November 6, 2022, 1:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Cupertino Facts

Country
USA
State
California
Alternative Names
Cupertino, Kupertino, ku bi di nuo, kupachino, kupartino, kupeotino, kwbyrtynw, kwprtynw kalyfrnya, kyuparatino, qwprtynw, Купертино, Купертіно, קופרטינו, كوبيرتينو, کوپرتینو، کالیفرنیا, کپرٹینو, कुपर्तिनो, कूपर्टीनो, क्युपरटिनो, クパチーノ, 庫比蒂諾, 쿠퍼티노
Population
60,572
Currency
Dollar (USD)
Geographic Coordinates
37° 19' N Latitude / 122° 01' W Longitude
International Dialing Code
+1

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