Castro Valley to AKDT Time Converter

Updating current time…
Castro Valley
California, USAPDT
UTC−7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Castro Valley's clocks go back 1 hour on Sun, Nov 1 · PDT → PST
AKDT
Alaska Daylight Time
UTC−8
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

5:00 am05:00 PDT (UTC-7), Oct 25, 2026 = 4:00 am04:00 AKDT (UTC-8), Oct 25, 2026

Castro Valley is 1 hour ahead of AKDT.

How the time difference changes

For most of the year, Castro Valley is 1 hour ahead of AKDT. From Nov 1, 2026 to Mar 14, 2027, Castro Valley is 1 hour ahead of AKST. Briefly around clock changes, Castro Valley is 2 hours ahead of AKST or Castro Valley and AKDT have the same time.

For most of the year, working hours of 9:00 am to 6:00 pm in Castro Valley correspond to 8:00 am to 5:00 pm in AKDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Castro Valley correspond to 8:00 am to 5:00 pm in AKST.For most of the year, working hours of 09:00 to 18:00 in Castro Valley correspond to 08:00 to 17:00 in AKDT. At other times of the year, working hours of 09:00 to 18:00 in Castro Valley correspond to 08:00 to 17:00 in AKST.

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

Time Difference

PDT (Pacific Daylight Time) is 1 hour ahead of Alaska Daylight Time.
5:00 am05:00 in Castro Valley, CA, USA is 4:00 am04:00 in AKDT

Castro Valley to AKDT call time
Best time for a conference call or a meeting is between 10am-6pm10:00-18:00 in Castro Valley which corresponds to 9am-5pm09:00-17:00 in AKDT

5:00 am05:00 PDT (Pacific Daylight Time) (Castro Valley, CA, USA). Offset UTC -7:00 hours
4:00 am04:00 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours

5:00 am05:00 Castro Valley, CA, USA / 4:00 am04:00 AKDT

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Hourly time comparison
Castro Valley, CA, USAAKDT
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Castro Valley Time Zone and Facts

Time Zone

Abbreviation / Offset
PDT – Pacific Daylight Time, UTC-7 (now, daylight saving time)
PST – Pacific Standard Time, UTC-8 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (PST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (PDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.
Clock Changes
USA daylight saving time · Clock changes worldwide

Castro Valley Facts

Country
USA
State
California
Alternative Names
Castro Valley, Kastro Vali, kaeseuteulobaelli, kyastro bhyali, Кастро Вали, क्यास्ट्रो भ्याली, 캐스트로밸리
Population
61,388
Currency
Dollar (USD)
Geographic Coordinates
37° 41' N Latitude / 122° 05' W Longitude
International Dialing Code
+1
More About Castro Valley
Castro Valley local time and city facts

Alaska Daylight Time

Offset: AKDT is 8 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: United States

Principal Cities: The largest city in the AKDT time zone is Anchorage in the United States, with about 289,600 people. Other major cities in this time zone include Fairbanks, Juneau, Knik-Fairview, Wasilla.

Map of the areas on Alaska Daylight Time (AKDT)
AKDT part of the year

Today all shaded areas are on AKDT.

Open the world time zone map© OpenStreetMap

Daylight Saving: Alaska Daylight Time (AKDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Alaska Standard Time (AKST).

123456789101112Start: Alaska Daylight Time (AKDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

123456789101112End: Alaska Daylight Time (AKDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

AKDT 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 AKDT
  • U - short form of 'Uniform'
IANA/Olson: Reflects AKDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Anchorage
  • America/Juneau
  • America/Metlakatla
  • America/Nome
  • America/Sitka
  • America/Yakutat
  • US/Alaska
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
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT