Hanoi
Exact time synced with atomic clocks (IANA + NTP)
Monday, April 6, 2026
Vietnam · Asia/Ho_Chi_Minh · GMT+7
Hanoi and Hong Kong Time Difference
Hanoi is 1h behind Hong Kong
01:20:42
Hong Kong
Exact time synced with atomic clocks (IANA + NTP)
Monday, April 6, 2026
Hong Kong SAR China · Asia/Hong_Kong · GMT+8
Best time for work calls
If you are scheduling a call between Hanoi and Hong Kong, the overlap window is limited to typical business hours. When it is 9 am in Hanoi it is 10 am in Hong Kong — a workable window for scheduling. The latest reasonable overlap is around 4 pm in Hanoi (5 pm in Hong Kong). Outside this window there is effectively no good overlap for regular office hours.
Best time for family calls
Hanoi and Hong Kong have a comfortable window for a family call — no awkward alarms required. Hanoi is 1 hour behind Hong Kong, which gives you 2 hours of genuine overlap when both sides are free. Aim for between 6 pm and 8 pm in Hanoi — that lands at 7 pm to 9 pm in Hong Kong, after the school run and before anyone's ready for bed. For a Sunday catch-up or a midweek check-in, this is the sweet spot.
Hanoi
Reunification Day
Ngày Giải phóng miền Nam, thống nhất đất nước
Labour Day
Ngày Quốc tế lao động
National Day
Quốc khánh
Via Nager.Date
🌅 Dawn5:24:04 AM
☀️ Sunrise5:46:26 AM
🌞 Solar Noon12:00:20 PM
🌇 Golden Hour5:44:47 PM
🌆 Sunset6:14:13 PM
🌃 Dusk6:36:35 PM
Day length12:27:47
Data via sunrisesunset.io
Condition⛅ Partly cloudy
Temperature26°C
Feels like31°C
Humidity94%
Wind3 mph E
Data via Open-Meteo · Updates every 30 min
Phase🌖 Waning Gibbous
Illumination87%
CycleWaning
Moon age18.3 days
Moonrise21:12
Moonset07:32
New87% illuminatedFull
Hong Kong
Easter Monday
復活節星期一
Labour Day
勞動節
Buddha's Birthday
佛誕
Via Nager.Date
🌅 Dawn5:49:47 AM
☀️ Sunrise6:12:21 AM
🌞 Solar Noon12:26:59 PM
🌇 Golden Hour6:11:55 PM
🌆 Sunset6:41:37 PM
🌃 Dusk7:04:12 PM
Day length12:29:15
Data via sunrisesunset.io
Condition⛅ Partly cloudy
Temperature25°C
Feels like30°C
Humidity92%
Wind5 mph S
Data via Open-Meteo · Updates every 30 min
Phase🌖 Waning Gibbous
Illumination87%
CycleWaning
Moon age18.3 days
Moonrise21:40
Moonset—
New87% illuminatedFull