Daylight hours in Guangzhou today

Guangzhou lies at 23°N. In Guangzhou, day length ranges from 10h 43m in winter to 13h 33m in summer — a swing of about 2h 51m.

Solar noon — the moment the sun is highest — falls at 12:25 in Guangzhou, 25 minutes after the clock says 12. The gap comes from the city's longitude within its timezone, the equation of time, and summer time where it applies. At midday the sun currently stands 71.6° above the horizon in Guangzhou. Guangzhou lies inside the tropics, so twice a year the midday sun passes straight overhead; at the opposite solstice it still reaches 43.4°.

Day length changes fastest near the spring and autumn equinoxes and slowest near the longest day and shortest day of the year. See the year chart to visualise how daylight hours shift month by month for Guangzhou.

The longest day in Guangzhou is around 13h 33m (around June 21). The shortest is around 10h 43m (around December 21). Days are currently getting shorter — losing about 1 minute per day.