Current time in Ontario (California, United States)
Ontario (California, United States) — exact time with seconds online. Ontario (California, United States) — transition to winter and summer time.
PM
2025
April
Su
13
05
35
10
40
3
9
15
45
20
50
25
55
6
12
30
60
Information
| Country | United States |
| Population | ~163 924 |
| Currency | USD — US Dollar |
| Country phone code | +1 |
| GPS coordinates (latitude, longitude) | 34.062882,-117.652728 |
Ontario (California, United States) — switching to winter and summer time
| Time zone | UTC-7:00 |
| Changeover to summer time UTC-7:00 | 09.03.2025 01:00:00 |
| Changeover to winter time UTC-8:00 | 02.11.2025 03:00:00 |