Seongnam and Tokyo are in the same timezone. You can call anytime during standard business hours (9 AM – 5 PM). No timezone conversion needed.
Call between 9 AM–5 PM Seongnam time. This is 9 AM–5 PM in Tokyo.
Seongnam and Tokyo share 8 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Tokyo from Seongnam is 9 AM–5 PM Seongnam time. This gives you 8 hours of business hours overlap.
Seongnam and Tokyo are in the same timezone.
Since Seongnam and Tokyo share similar business hours, you can call during any standard working time.
Yes, Seongnam and Tokyo have approximately 8 hours of overlapping business hours per day.
You have 8 hours of business hours overlap — scheduling calls is easy.
Both in business hours Both awake One outside comfort zone Sleeping hours
Seongnam: 9 AM–5 PM GMT+9
Tokyo: 9 AM–5 PM GMT+9
| Seongnam (GMT+9) | Tokyo (GMT+9) | Status |
|---|---|---|
| 7 AM | 7 AM | 🟡 They're awake |
| 8 AM | 8 AM | 🟡 They're awake |
| 9 AM | 9 AM | ✅ Both in office |
| 10 AM | 10 AM | ✅ Both in office |
| 11 AM | 11 AM | ✅ Both in office |
| 12 PM | 12 PM | ✅ Both in office |
| 1 PM | 1 PM | ✅ Both in office |
| 2 PM | 2 PM | ✅ Both in office |
| 3 PM | 3 PM | ✅ Both in office |
| 4 PM | 4 PM | ✅ Both in office |
| 5 PM | 5 PM | 🟡 They're awake |
| 6 PM | 6 PM | 🟡 They're awake |
| 7 PM | 7 PM | 🟡 They're awake |
| 8 PM | 8 PM | 🟡 They're awake |
| 9 PM | 9 PM | 🟡 They're awake |