Daylight hours in Lanzhou today

Lanzhou lies at 36°N. In Lanzhou, day length ranges from 9h 42m in winter to 14h 37m in summer — a swing of about 4h 54m.

Solar noon — the moment the sun is highest — falls at 13:05 in Lanzhou, 65 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 61.3° above the horizon in Lanzhou. Over the year the midday sun ranges from 30.5° at the winter solstice to 77.4° at the summer solstice.

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 Lanzhou.

The longest day in Lanzhou is around 14h 37m (around June 21). The shortest is around 9h 42m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.