Last Full Moon of 2021 Rises Just Before Winter Solstice

By Steve Novak.

The moon gave us a few reasons to look up in 2021. There were supermoons and a lunar eclipse in the spring. A partial solar eclipse in June. A clear view of another lunar eclipse in November.

This weekend, the last full moon of 2021 will illuminate one of the year’s longest nights.

The next full moon, the December cold moon, will appear few days before the winter solstice, the day with the shortest period of sunlight and the first day of winter 2021-22.

The full moon will be Saturday at 11:35 p.m., visible from about 4 p.m. to 8 a.m. in the Lehigh Valley. Clouds and rain are possible, but the moon also will appear nearly full on Sunday night, which is expected to be clearer.

Observers may also spy a few stragglers from the Geminid meteor shower. The Geminids peaked Dec. 13-14 but the shower is still active through Dec. 24, according to the American Meteor Society.

This all leads into the winter solstice on Dec. 21. Daylight will last just 9 hours and 15 minutes that day in the Lehigh Valley, according to TimeAndDate.com.

Going forward, the days will begin to lengthen until the 2022 summer solstice on June 21, when the Lehigh Valley will have about 15 hours of daylight.

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