Guangzhou
Exact time synced with atomic clocks (IANA + NTP)
Monday, April 6, 2026
China · Asia/Shanghai · GMT+8
Guangzhou and Hanoi Time Difference
Guangzhou is 1h ahead of Hanoi
02:21:04
Hanoi
Exact time synced with atomic clocks (IANA + NTP)
Monday, April 6, 2026
Vietnam · Asia/Ho_Chi_Minh · GMT+7
Best time for work calls
If you are scheduling a call between Guangzhou and Hanoi, the overlap window is limited to typical business hours. When it is 10 am in Guangzhou it is 9 am in Hanoi — a workable window for scheduling. The latest reasonable overlap is around 5 pm in Guangzhou (4 pm in Hanoi). Outside this window there is effectively no good overlap for regular office hours.
Best time for family calls
Guangzhou and Hanoi have a comfortable window for a family call — no awkward alarms required. Guangzhou is 1 hour ahead of Hanoi, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in Guangzhou — that lands at 5 pm to 9 pm in Hanoi, 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.
Guangzhou
Labour Day
劳动节
Dragon Boat Festival
端午节
Mid-Autumn Festival
中秋节
Via Nager.Date
🌅 Dawn5:52:48 AM
☀️ Sunrise6:15:31 AM
🌞 Solar Noon12:30:37 PM
🌇 Golden Hour6:15:50 PM
🌆 Sunset6:45:42 PM
🌃 Dusk7:08:26 PM
Day length12:30:11
Data via sunrisesunset.io
Condition☁️ Overcast
Temperature24°C
Feels like28°C
Humidity97%
Wind5 mph SE
Data via Open-Meteo · Updates every 30 min
Phase🌖 Waning Gibbous
Illumination87%
CycleWaning
Moon age18.3 days
Moonrise21:46
Moonset—
New87% illuminatedFull
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