California, USA
PST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
AWST
Australian Western Standard Time
GMT +8
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare Cupertino time with AWST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

PST (Pacific Standard Time) is 16 hours behind Australian Western Standard Time
4:00 am04:00 in Cupertino, CA, USA is 8:00 pm20:00 in AWST

Cupertino to AWST call time
Best time for a conference call or a meeting is between 4:30pm-5:30pm in Cupertino which corresponds to 8:30am-9:30am in AWST (next day)

4:00 am04:00 PST (Pacific Standard Time) (Cupertino, CA, USA). Offset UTC -8:00 hours
8:00 pm20:00 Australian Western Standard Time (AWST). Offset UTC +8:00 hours

4:00 am04:00 Cupertino, CA, USA / 8:00 pm20:00 AWST

Cupertino, CA, USAAWST
12am (midnight)4pm
1am5pm
2am6pm
3am7pm
4am8pm
5am9pm
6am10pm
7am11pm
8am12am (midnight)
9am1am
10am2am
11am3am
12pm (noon)4am
1pm5am
2pm6am
3pm7am
4pm8am
5pm9am
6pm10am
7pm11am
8pm12pm (noon)
9pm1pm
10pm2pm
11pm3pm
00:0016:00
01:0017:00
02:0018:00
03:0019:00
04:0020:00
05:0021:00
06:0022:00
07:0023:00
08:0000:00
09:0001:00
10:0002:00
11:0003:00
12:0004:00
13:0005:00
14:0006:00
15:0007:00
16:0008:00
17:0009:00
18:0010:00
19:0011:00
20:0012:00
21:0013:00
22:0014:00
23:0015:00

Cupertino Information

Time Zone

Abbreviation / Name
PDT - Pacific Daylight Time
PST - Pacific Standard Time
UTC / GMT Offset
-7:00 hours during Pacific Daylight Time, currently in use.
-8:00 hours during Pacific Standard Time.
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 3amSunday, March 8, 2026 at 2:00 am local time. DST starts annually on the 2nd Sunday of March. Clocks are turned forward 1 hour to Sunday, March 8, 2026 at 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 1amSunday, November 1, 2026 at 2:00 am local time. DST ends annually on the 1st Sunday of November. Clocks are turned backward 1 hour to Sunday, November 1, 2026 at 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

Australian Western Standard Time

Offset: AWST is 8 hours ahead Greenwich Mean Time (GMT) and is used in Australia

Countries: It is used in following countries: Australia

Principal Cities: The largest city in the AWST timezone is Perth from Australia with population about 1.897 million people. Other major cities in the area are Rockingham, Mandurah, Bunbury, Armadale

Daylight Saving: Australian Western Standard Time (AWST) is not adjusted for daylight saving therefore AWST 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, Australian Western Standard Time remains the same

AWST Time Zone Geo Map
AWST timezone map

AWST 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 eight 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
  • Hotel - Military abbreviation for AWST
  • H - short form of 'Hotel'
IANA/Olson: Reflects AWST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Australia/Perth
  • Australia/West
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time