The best time to call Sydney from Ulsan is 9 AM–3 PM your time (Ulsan). Sydney, Australia is 2 hours ahead of Ulsan, South Korea. You have 6 hours of business hours overlap for scheduling calls.
Call between 9 AM–3 PM Ulsan time. This is 11 AM–5 PM in Sydney.
Ulsan and Sydney share 6 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Sydney from Ulsan is 9 AM–3 PM Ulsan time. This gives you 6 hours of business hours overlap.
Sydney is 2 hours ahead of Ulsan.
Avoid calling after 8 PM your time (it's late night there).
Yes, Ulsan and Sydney have approximately 6 hours of overlapping business hours per day.
You have 6 hours of business hours overlap — scheduling calls is easy.
Both in business hours Both awake One outside comfort zone Sleeping hours
Ulsan: 9 AM–3 PM GMT+9
Sydney: 11 AM–5 PM GMT+11
| Ulsan (GMT+9) | Sydney (GMT+11) | Status |
|---|---|---|
| 7 AM | 9 AM | 🟡 They're awake |
| 8 AM | 10 AM | 🟡 They're awake |
| 9 AM | 11 AM | ✅ Both in office |
| 10 AM | 12 PM | ✅ Both in office |
| 11 AM | 1 PM | ✅ Both in office |
| 12 PM | 2 PM | ✅ Both in office |
| 1 PM | 3 PM | ✅ Both in office |
| 2 PM | 4 PM | ✅ Both in office |
| 3 PM | 5 PM | 🟡 They're awake |
| 4 PM | 6 PM | 🟡 They're awake |
| 5 PM | 7 PM | 🟡 They're awake |
| 6 PM | 8 PM | 🟡 They're awake |
| 7 PM | 9 PM | 🟡 They're awake |
| 8 PM | 10 PM | 🔴 They're sleeping |
| 9 PM | 11 PM | 🔴 They're sleeping |