San Francisco
Exact time synced with atomic clocks (IANA + NTP)
Sunday, April 5, 2026
United States · America/Los_Angeles · PDT
San Francisco and Hanoi Time Difference
San Francisco is 14h behind Hanoi
11:19:37
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 San Francisco and Hanoi, there is very limited or no overlap in normal business hours. Consider early-morning or late-evening calls for one side, or use async communication.
Best time for family calls
San Francisco and Hanoi have a comfortable window for a family call — no awkward alarms required. San Francisco is 14 hours behind Hanoi, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in San Francisco — that lands at 8 am to 12 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.
San Francisco
Truman Day
Memorial Day
Juneteenth National Independence Day
Via Nager.Date
🌅 Dawn6:22:48 AM
☀️ Sunrise6:49:25 AM
🌞 Solar Noon1:13:27 PM
🌇 Golden Hour7:02:43 PM
🌆 Sunset7:37:29 PM
🌃 Dusk8:04:06 PM
Day length12:48:04
Data via sunrisesunset.io
Condition☁️ Overcast
Temperature19°C
Feels like18°C
Humidity56%
Wind6 mph N
Data via Open-Meteo · Updates every 30 min
Phase🌖 Waning Gibbous
Illumination87%
CycleWaning
Moon age18.3 days
Moonrise22:46
Moonset08:28
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