Collar days are designated days on which thecollar forming part of theinsignia of certain members ofBritish orders of knighthood may be worn.

Collars are special large and elaborate ceremonial metal chains worn over the shoulders, hanging equally over the front and back, often tied with a bow at the shoulders, with a distinctive pendant attached to the front.

Collars are worn by Knights and Ladies Companion of theOrder of the Garter, Knights and Ladies of theOrder of the Thistle, and Knights and DamesGrand Cross of other orders. Of the last mentioned, the only currently active orders are theOrder of the Bath, theOrder of Saint Michael and Saint George, theRoyal Victorian Order and theOrder of the British Empire; theOrder of Saint Patrick, theOrder of the Star of India and theOrder of the Indian Empire are now inabeyance. The collar can be worn on specific collar days throughout the year.

Collar days, in accordance with instructions of theCentral Chancery of the Orders of Knighthood, are:^[1][2][3]

Collars are also worn when the Kingopens orprorogues Parliament, and for a few other observances, including religious services of the various orders, and by those taking part in the ceremony ofintroduction of apeer in theHouse of Lords.^[1][2][4]

• https://web.archive.org/web/20060925040501/http://www.cam.ac.uk/societies/cuhags/info/days.htm

• Orders of chivalry of the United Kingdom
• Chivalry

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