Time difference
Time difference between Ulsan and Honolulu
When the time difference changes (2026–2027)
In 2026 and 2027 the difference stays the same: −19 h.
Overlapping working hours
9 am–5 pm overlaps from 9:00 AM to 12:00 PM in Ulsan, i.e. 2:00 PM to 5:00 PM in Honolulu.
Convert hours: Ulsan → Honolulu
| Ulsan | Honolulu |
|---|---|
| 12:00 AM | 5:00 AM previous day |
| 1:00 AM | 6:00 AM previous day |
| 2:00 AM | 7:00 AM previous day |
| 3:00 AM | 8:00 AM previous day |
| 4:00 AM | 9:00 AM previous day |
| 5:00 AM | 10:00 AM previous day |
| 6:00 AM | 11:00 AM previous day |
| 7:00 AM | 12:00 PM previous day |
| 8:00 AM | 1:00 PM previous day |
| 9:00 AM | 2:00 PM previous day |
| 10:00 AM | 3:00 PM previous day |
| 11:00 AM | 4:00 PM previous day |
| 12:00 PM | 5:00 PM previous day |
| 1:00 PM | 6:00 PM previous day |
| 2:00 PM | 7:00 PM previous day |
| 3:00 PM | 8:00 PM previous day |
| 4:00 PM | 9:00 PM previous day |
| 5:00 PM | 10:00 PM previous day |
| 6:00 PM | 11:00 PM previous day |
| 7:00 PM | 12:00 AM |
| 8:00 PM | 1:00 AM |
| 9:00 PM | 2:00 AM |
| 10:00 PM | 3:00 AM |
| 11:00 PM | 4:00 AM |
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 Ulsan.