EarthSky's Bruce McClure says
Tonight, look for the faint constellation Ophiuchus the Serpent Bearer. From the Northern Hemisphere, look southward at nightfall. From the Southern Hemisphere, look more overhead around mid-evening. From all parts of Earth, Ophiuchus crosses the sky westward as Earth spins under the sky, and as evening deepens into late night. Ophiuchus is sometimes called the 13th or forgotten constellation of the zodiac.
The sun passes in front of Ophiuchus from about November 30 to December 18. And yet no one ever says they're born when the sun is in Ophiuchus. That's because Ophiuchus is a constellation - not a sign - of the zodiac.
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Ophiuchus, 13th constellation of zodiac.
