Daylight hours in San Francisco today

San Francisco lies at 38°N. In San Francisco, day length ranges from 9h 33m in winter to 14h 47m in summer — a swing of about 5h 14m.

Solar noon — the moment the sun is highest — falls at 12:59 in San Francisco, 59 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 47.4° above the horizon in San Francisco. Over the year the midday sun ranges from 28.8° at the winter solstice to 75.7° 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 San Francisco.

The longest day in San Francisco is around 14h 47m (around June 21). The shortest is around 9h 33m (around December 21). Days are currently getting shorter — losing about 2 minutes per day.