Zodiac Signs in Almanacs

I became curious about this after I got a calendar from my Farm Bureau Insurance office.

I don't understand why they have a few of the zodiac signs and a body part listed on each day. Cancer is always breast. Weird

Time, Tide, Tonics
The main feature was a calendar which showed the months and days, the positions of the moon and the planets, religious and civil commemorations, and weather predictions, sometimes decorated with an illustration of a seasonal scene or the sign of the zodiac. Medieval almanacs showed the church’s feast and fast days. The American almanac calendar recorded religious commemorations, but added court days, civic holidays, and the dates of historical events.

Message Board on Farmer's Almanac.

Whitacker's Almanac

Apparently the almanac is used by people to choose the best time to do something such as have a medical procedure.

Garndening by the signs

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