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Longest days accompany the December solstice
- The longest days of the year come each year around the December solstice, no matter where you live on the globe.
- A day – one rotation of Earth relative to the noonday sun – is about half a minute longer than the average 24 hours, for the entire globe.
- Earth’s perihelion – closest point to the sun – always comes in early January.
- That means our planet is traveling through space a little farther than average each day.
- Half a minute longer doesn’t sound like much, but the difference adds up.
- The year’s earliest sunsets precede the December winter solstice and the year’s latest sunrises come after the December winter solstice.
- In the Southern Hemisphere, the year’s earliest sunrises precede the December summer solstice, and the year’s latest sunsets come after the December summer solstice.
- The fact that we’re closest to the sun in early January also means that Northern Hemisphere winter is the shortest of the four seasons.
- December has the longest days for the entire Earth, as measured from one solar noon to the next.
- Visit Sunrise Sunset Calendars to find out the clock time for solar noon at your locality.
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