
Exact time synced with atomic clocks (IANA + NTP)
Monday, April 6, 2026
China · Asia/Shanghai · GMT+8
Guangzhou is 1h behind Seoul

Exact time synced with atomic clocks (IANA + NTP)
Monday, April 6, 2026
China · Asia/Shanghai · GMT+8

Exact time synced with atomic clocks (IANA + NTP)
Monday, April 6, 2026
South Korea · Asia/Seoul · GMT+9
If you are scheduling a call between Guangzhou and Seoul, the overlap window is limited to typical business hours. When it is 9 am in Guangzhou it is 10 am in Seoul — a workable window for scheduling. The latest reasonable overlap is around 4 pm in Guangzhou (5 pm in Seoul). Outside this window there is effectively no good overlap for regular office hours.
Guangzhou and Seoul have a comfortable window for a family call — no awkward alarms required. Guangzhou is 1 hour behind Seoul, which gives you 2 hours of genuine overlap when both sides are free. Aim for between 6 pm and 8 pm in Guangzhou — that lands at 7 pm to 9 pm in Seoul, 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.
Labour Day
劳动节
Dragon Boat Festival
端午节
Mid-Autumn Festival
中秋节
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Children's Day
어린이날
Buddha's Birthday
부처님 오신 날
Memorial Day
현충일
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Data via sunrisesunset.io
Data via Open-Meteo · Updates every 30 min