Time difference
Time difference between Los Angeles and Ulsan
When the time difference changes (2026–2027)
- January 1, 2026 – March 8, 2026: +17 h
-
March 8, 2026 – November 1, 2026: +16 h
Los Angeles: clocks go forward 1 h (3:00 AM, UTC-7) -
November 1, 2026 – March 14, 2027: +17 h now
Los Angeles: clocks go back 1 h (1:00 AM, UTC-8) -
March 14, 2027 – November 7, 2027: +16 h
Los Angeles: clocks go forward 1 h (3:00 AM, UTC-7) -
November 7, 2027 – December 31, 2027: +17 h
Los Angeles: clocks go back 1 h (1:00 AM, UTC-8)
The difference changes because the cities switch their clocks on different dates, or only one of them does.
Overlapping working hours
9 am–5 pm overlaps from 4:00 PM to 5:00 PM in Los Angeles, i.e. 9:00 AM to 10:00 AM in Ulsan.
Convert hours: Los Angeles → Ulsan
| Los Angeles | Ulsan |
|---|---|
| 12:00 AM | 5:00 PM |
| 1:00 AM | 6:00 PM |
| 2:00 AM | 7:00 PM |
| 3:00 AM | 8:00 PM |
| 4:00 AM | 9:00 PM |
| 5:00 AM | 10:00 PM |
| 6:00 AM | 11:00 PM |
| 7:00 AM | 12:00 AM next day |
| 8:00 AM | 1:00 AM next day |
| 9:00 AM | 2:00 AM next day |
| 10:00 AM | 3:00 AM next day |
| 11:00 AM | 4:00 AM next day |
| 12:00 PM | 5:00 AM next day |
| 1:00 PM | 6:00 AM next day |
| 2:00 PM | 7:00 AM next day |
| 3:00 PM | 8:00 AM next day |
| 4:00 PM | 9:00 AM next day |
| 5:00 PM | 10:00 AM next day |
| 6:00 PM | 11:00 AM next day |
| 7:00 PM | 12:00 PM next day |
| 8:00 PM | 1:00 PM next day |
| 9:00 PM | 2:00 PM next day |
| 10:00 PM | 3:00 PM next day |
| 11:00 PM | 4:00 PM next day |
Table for today’s date. Green rows – working hours (9–17) in both cities, dark – night in the second city. “Next day” / “previous day” – an hour on a different day than in Los Angeles.