Daylight hours in Rio de Janeiro today

Rio de Janeiro lies at 23°S. In Rio de Janeiro, day length ranges from 10h 44m in winter to 13h 32m in summer — a swing of about 2h 49m.

Solar noon — the moment the sun is highest — falls at 11:51 in Rio de Janeiro, 8 minutes before 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 61.8° above the horizon in Rio de Janeiro. Rio de Janeiro lies inside the tropics, so twice a year the midday sun passes straight overhead; at the opposite solstice it still reaches 43.7°.

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 Rio de Janeiro.

The longest day in Rio de Janeiro is around 13h 32m (around December 21). The shortest is around 10h 44m (around June 21). Days are currently getting longer — gaining about 1 minute per day.