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