Places within the polar circles experience polar night during all or part of the winter season when the Sun does not rise at all.Įarliest sunset is not on the shortest dayĮarth's orientation at the December solstice In Toronto, the shortest day is just under 8 hours and 56 minutes long in Miami, roughly 2000 kilometers or 1200 miles farther south, it lasts about 10 hours and 32 minutes. Locations closer to the poles experience larger differences in day length throughout the year, so winter days are shorter there. This means days get longer during winter-very slowly at first, but at ever-larger daily intervals as the March equinox approaches, heralding the start of spring. Meteorological and other seasons definitions Days Get Longer During WinterĪstronomical winter begins at the winter solstice, which is the shortest day of the year. And, in some countries, the beginning of the seasons is determined by average temperatures rather than fixed dates or astronomical events. Meteorologists use a different method of defining the first day of winter. Solstices and equinoxes in your city Alternative Winter Start Dates
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