Lunar Calendars

Lunar Calendars (HM22YM)

Location: Washington, DC 20024
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Country: United States of America
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N 38° 53.27', W 77° 1.008'

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Inscription
The circles and moon phases marked on the pavement refer to a phenomenon known as lunar standstills. Lunar standstills occur every 18.6 years when the moon reaches a northern extreme at summer solstice and a southern extreme at winter solstice. This also occurs with the sun, twice a year around each solstice date. When the sun and moon reach these points, they appear to stand still in the sky.

These moon phases represent circular markings found in New Mexico's Chaco Canyon and honor the ancient cultures that lived there and observed lunar cycles.
Details
HM NumberHM22YM
Tags
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Placed ByNational Museum of the American Indian
Marker ConditionNo reports yet
Date Added Friday, November 17th, 2017 at 7:03am PST -08:00
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Locationbig map
UTM (WGS84 Datum)18S E 325078 N 4306262
Decimal Degrees38.88783333, -77.01680000
Degrees and Decimal MinutesN 38° 53.27', W 77° 1.008'
Degrees, Minutes and Seconds38° 53' 16.2" N, 77° 1' 0.48" W
Driving DirectionsGoogle Maps
Area Code(s)202, 301
Closest Postal AddressAt or near 482 Independence Ave SW, Washington DC 20024, US
Alternative Maps Google Maps, MapQuest, Bing Maps, Yahoo Maps, MSR Maps, OpenCycleMap, MyTopo Maps, OpenStreetMap

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