Daylight hours in Chicago today

Chicago lies at 42°N. In Chicago, day length ranges from 9h 8m in winter to 15h 14m in summer — a swing of about 6h 6m.

Solar noon — the moment the sun is highest — falls at 12:47 in Chicago, 48 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 51.9° above the horizon in Chicago. Over the year the midday sun ranges from 24.7° at the winter solstice to 71.6° 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 Chicago.

The longest day in Chicago is around 15h 14m (around June 21). The shortest is around 9h 8m (around December 21). Days are currently getting shorter — losing about 3 minutes per day.