Current Time in Diamond Bar, California, USA
6:12:24 AM
06:12:24
PDT (Pacific Daylight Time) · UTC−07:00
America/Los_Angeles
Time zone details
Diamond Bar is observing daylight saving time in 2026
Daylight in Diamond Bar
Location facts
Place
- Country
- USA
- State
- California
- County
- Los Angeles County
- Place type
- Populated place
- Country currency
- US Dollar (USD)
Practical
- Country languages
- English, Spanish, Hawaiian, French
- Dialing code
- +1
- Population
- 56,897
- Elevation
- 212 m
Geography
- Geographic coordinates
- 34° 01' N / 117° 48' W
Convert Diamond Bar time
Compare Diamond Bar with another city or time zone
Diamond Bar follows the same clock and daylight-saving rules as Los Angeles
Popular conversions (current offsets)
All times shown relative to Diamond Bar local time
Clock changes in Diamond Bar
2:00 AM PDT1:00 AM PST
Clocks move back 1 hour
2026
past
Daylight saving time starts
2:00 AM PST3:00 AM PDT
Clocks move forward 1 hour
upcoming
Daylight saving time ends
2:00 AM PDT1:00 AM PST
Clocks move back 1 hour
Future clock changes, 2027–2030
Sun & Moon details
Sun
- Sunrise
- Solar noon
- Sunset
- Daylight duration
- 11 hr 00 min1 min 57 sec shorter than the previous day
Twilight
- Civil twilight
- –
- Nautical twilight
- –
- Astronomical twilight
- –
View full Sun & Moon detailsHide full Sun & Moon details
Sunday, October 25, 2026
View Diamond Bar on SavvyTime's time-zone map
Sun
- Sunrise
- Sunset
- Day length
- 11 hr 00 min1 min 57 sec shorter than the previous day
- Solar noon
- (43.7° altitude)
Civil twilight
- Dawn to dusk
- –
Additional twilight
- Nautical dawn to dusk
- –
- Astronomical dawn to dusk
- –
Moon
- Phase
- Full Moon (100% illuminated)
- Moonrise
- Moonset
- Previous principal phase
- First Quarter — Sunday, October 18, 2026 at
- Next principal phase
- Full Moon — Sunday, October 25, 2026 at
Seven-day daylight outlook
| Local date | Sunrise | Sunset | Day length | Daily change |
|---|---|---|---|---|
| 11 hr 00 min | 1 min 57 sec shorter than the previous day | |||
| 10 hr 58 min | 1 min 56 sec shorter than the previous day | |||
| 10 hr 57 min | 1 min 55 sec shorter than the previous day | |||
| 10 hr 55 min | 1 min 54 sec shorter than the previous day | |||
| 10 hr 53 min | 1 min 54 sec shorter than the previous day | |||
| 10 hr 51 min | 1 min 52 sec shorter than the previous day | |||
| 10 hr 49 min | 1 min 52 sec shorter than the previous day |
Weather forecast for Diamond Bar
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Plan around Diamond Bar
Upcoming public holidays in California
- Veterans Day
- Thanksgiving Day
- Day after Thanksgiving Day
Nearby scheduled airports for Diamond Bar, California, USA
Ontario International AirportONTLarge airport · Serves Ontario19.5 km east
Source: OurAirports record · ONT / KONT
About 19.5 km (12.1 mi) east of Diamond Bar
Scheduled airline service in source data
Long Beach International AirportLGBLarge airport · Serves Long Beach39.2 km southwest
Source: OurAirports record · LGB / KLGB
About 39.2 km (24.4 mi) southwest of Diamond Bar
Scheduled airline service in source data
John Wayne Orange County International AirportSNALarge airport · Serves Santa Ana39.7 km south
Source: OurAirports record · SNA / KSNA
About 39.7 km (24.7 mi) south of Diamond Bar
Scheduled airline service in source data
Nearby places
Frequently asked questions
- What time zone is Diamond Bar in?
- Diamond Bar uses Pacific Standard Time (PST, UTC−8) in winter and Pacific Daylight Time (PDT, UTC−7) in summer. Its IANA time zone is America/Los_Angeles.
- When is the next clock change in Diamond Bar?
- Clocks in Diamond Bar move backward 1 hour on Sunday, November 1, 2026 at 2:00 AM, changing from PDT (UTC−07:00) to PST (UTC−08:00)
- Does Diamond Bar observe daylight saving time?
- Yes. Diamond Bar observes daylight saving time: PDT (UTC−7) in summer and PST (UTC−8) in winter.
- What is the UTC offset of Diamond Bar?
- Diamond Bar is UTC−8 in winter and UTC−7 in summer