Thursday is year's last day with more daylight than night in Baltimore

  • The Power Plant building and Hard Rock Cafe sign glow beneath clouds hit by vibrant shades of a sunset Aug. 20.
The Power Plant building and Hard Rock Cafe sign glow beneath… (Karl Merton Ferron / Baltimore…)
September 24, 2014|By Scott Dance, The Baltimore Sun

With fall upon us, the length of time the sun spends above our horizons is quickly shrinking -- slipping to less than half of the day starting Friday.

The northern and southern hemispheres received equal sun exposure at the autumnal equinox, which occurred Monday night. But the length of the day and night aren't exactly equal until a few days after the equinox here.

In Baltimore, there is about 12 hours and 2 minutes of daylight Thursday, with sunrise shortly before 7 a.m. and sunset shortly before 7 p.m. On Friday, that time slips to about 11 hours, 59 minutes.

Changes in the timing of sunrise and sunset depend on latitude, so they vary around the globe, with more extreme swings in day length the closer you get to the poles. Close to the equator, day length varies less throughout the year.

Baltimore's length of day reaches almost exactly 12 hours again March 17.

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