Time zone
Pacific Standard Time (PST), UTC−8. IANA zone America/Los_Angeles.
Time in California, United States
Time in Rancho Cucamonga, California now
Tuesday, November 3, 2026
PST · UTC−8 Pacific Standard Time
- Sunrise
- 6:11 AM
- Sunset
- 4:55 PM
- Day length
- 10 h 44 min
- Daylight saving
- Changes Mar 14, 2027
Rancho Cucamonga time zone
Clock changes
Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−8 → UTC−7).
Location
Rancho Cucamonga, California, United States. Coordinates 34.11° N, 117.59° W; population about 175,236.
Sunrise and sunset in Rancho Cucamonga today
- Dawn (civil)
- 5:45 AM
- Sunrise
- 6:11 AM
- Solar noon
- 11:33 AM
- Sunset
- 4:55 PM
- Dusk (civil)
- 5:21 PM
- Day length
- 10 h 44 min
- Night length
- 13 h 16 min
- Golden hour, morning
- 5:55 AM – 6:47 AM
- Golden hour, evening
- 4:20 PM – 5:11 PM
- Blue hour, morning
- 5:45 AM – 5:55 AM
- Blue hour, evening
- 5:11 PM – 5:21 PM
Calculated for the city centre at sea level; accurate to about a minute. Golden hour is when the sun is between 4° below and 6° above the horizon; blue hour between 6° and 4° below. See the whole month or another date.
Rancho Cucamonga time compared with other cities
Hour comparison appears when this page finishes loading.
| City | Local time | Difference from Rancho Cucamonga |
|---|---|---|
| New York City, New York | 7:00 AM | 3 hours ahead of Rancho Cucamonga |
| Chicago, Illinois | 6:00 AM | 2 hours ahead of Rancho Cucamonga |
| Denver, Colorado | 5:00 AM | 1 hour ahead of Rancho Cucamonga |
| Phoenix, Arizona | 5:00 AM | 1 hour ahead of Rancho Cucamonga |
| Honolulu, Hawaii | 2:00 AM | 2 hours behind Rancho Cucamonga |
| Anchorage, Alaska | 3:00 AM | 1 hour behind Rancho Cucamonga |
| Toronto, Canada | 7:00 AM | 3 hours ahead of Rancho Cucamonga |
| Vancouver, Canada | 5:00 AM | 1 hour ahead of Rancho Cucamonga |
| Mexico City, Mexico | 6:00 AM | 2 hours ahead of Rancho Cucamonga |
| São Paulo, Brazil | 9:00 AM | 5 hours ahead of Rancho Cucamonga |
| Buenos Aires, Argentina | 9:00 AM | 5 hours ahead of Rancho Cucamonga |
| London, United Kingdom | 12:00 PM | 8 hours ahead of Rancho Cucamonga |
| Dublin, Ireland | 12:00 PM | 8 hours ahead of Rancho Cucamonga |
| Paris, France | 1:00 PM | 9 hours ahead of Rancho Cucamonga |
Questions about time in Rancho Cucamonga
What time zone is Rancho Cucamonga in?
Rancho Cucamonga uses Pacific Standard Time (PST, UTC−8) as standard time and Pacific Daylight Time (PDT, UTC−7) during daylight saving time. Its IANA time-zone identifier is America/Los_Angeles, which is what phones and computers use to set the local time.
Does Rancho Cucamonga observe daylight saving time?
Yes. Sunday, March 14, 2027: clocks go forward 1 hour at 2:00 AM local time (UTC−8 → UTC−7). The previous change was on Sunday, November 1, 2026.
How far is Rancho Cucamonga from UTC?
Rancho Cucamonga is 8 hours behind UTC on standard time and 7 hours behind UTC during daylight saving time.
What time is sunrise and sunset in Rancho Cucamonga today?
The table above shows today’s sunrise, sunset and day length for the city centre. As an example, on Tuesday, November 3, 2026 the sun rose at 6:11 AM and set at 4:55 PM, giving 10 h 44 min of daylight.
Near Rancho Cucamonga
- Ontario, California 7 km
- Fontana, California 15 km
- Pomona, California 16 km
- Rialto, California 21 km
- Riverside, California 25 km
- Corona, California 26 km
- San Bernardino, California 28 km
- West Covina, California 32 km
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