Denver to Castro Valley Time Converter

Updating current time…
Denver
Colorado, USAMDT
UTC−6
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Denver's clocks go back 1 hour on Sun, Nov 1 · MDT → MST
Castro Valley
California, USAPDT
UTC−7
1h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Castro Valley's clocks go back 1 hour on Sun, Nov 1 · PDT → PST

Quick answers

Selected conversion

6:00 am06:00 MDT (UTC-6), Oct 29, 2026 = 5:00 am05:00 PDT (UTC-7), Oct 29, 2026

Denver is 1 hour ahead of Castro Valley.

How the time difference changes

Normally, Denver is 1 hour ahead of Castro Valley. Briefly around seasonal clock changes, Denver is 2 hours ahead of Castro Valley or Denver and Castro Valley have the same time.

Typically, working hours of 9:00 am to 6:00 pm in Denver correspond to 8:00 am to 5:00 pm in Castro Valley.Typically, working hours of 09:00 to 18:00 in Denver correspond to 08:00 to 17:00 in Castro Valley.

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

Time Difference

MDT (Mountain Daylight Time) is 1 hour ahead of PDT (Pacific Daylight Time).
6:00 am06:00 in Denver, CO, USA is 5:00 am05:00 in Castro Valley, CA, USA

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

6:00 am06:00 MDT (Mountain Daylight Time) (Denver, CO, USA). Offset UTC -6:00 hours
5:00 am05:00 PDT (Pacific Daylight Time) (Castro Valley, CA, USA). Offset UTC -7:00 hours

6:00 am06:00 Denver, CO, USA / 5:00 am05:00 Castro Valley, CA, USA

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.

Hourly time comparison
Denver, CO, USACastro Valley, CA, USA
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Denver Time Zone and Facts

Time Zone

Abbreviation / Offset
MDT – Mountain Daylight Time, UTC-6 (now, daylight saving time)
MST – Mountain Standard Time, UTC-7 (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 (MST). 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 (MDT). 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

Denver Facts

Country
USA
State
Colorado
Alternative Names
DEN, Dehnver, Denber, Denvr, Denver, Denver County, Denvera, Denveres, Denveris, Denverium, Denvero, Denverės, Denwer, Dénwér, Mile-High City, Ntenver, Queen City of the Plains, Saint Charles, The Mexican Diggings, The Spanish Diggings, dainavara, dan fu, denabhara, denabhara ka'unti, denavara, denba, denbeo, denbhara, denvar, denveri, denvhara, denwexr, dnfr, dnwr, dnwr klradw, dnwwr, tenvar, Ντένβερ, Денвер, Денвър, Дэнвер, Դենվեր, דנוור, דענווער, دنفر, دنور, دنور، کلرادو, ڈینور, डॅनवर, डेन्भर, डेन्वर्, डेन्व्हर, देन्भर, ডেনভার, ডেনভার কাউন্টি, ਡੈਨਵਰ, டென்வர், డెన్వర్, ഡെൻവർ, เดนเวอร์, დენვერი, ደንቨር, デンバー, 丹佛, 덴버
Population
729,019
Currency
Dollar (USD)
Geographic Coordinates
39° 44' N Latitude / 104° 59' W Longitude
International Dialing Code
+1
More About Denver
Denver local time and city facts

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