Haikou and Singapore 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 Haikou time. This is 9 AM–5 PM in Singapore.
Haikou and Singapore share 8 hours of overlapping business hours (9 AM – 5 PM local time).
The best time to call Singapore from Haikou is 9 AM–5 PM Haikou time. This gives you 8 hours of business hours overlap.
Haikou and Singapore are in the same timezone.
Since Haikou and Singapore share similar business hours, you can call during any standard working time.
Yes, Haikou and Singapore 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
Haikou: 9 AM–5 PM GMT+8
Singapore: 9 AM–5 PM GMT+8
| Haikou (GMT+8) | Singapore (GMT+8) | 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 |