The problem is that the Earth's orbit around the Sun and rotation on its axis aren't perfectly divisible by an even number of days. So occasionally we need to adjust the calendar and clock; without that adjustment we would eventually end up with January 1st in the middle of the Northern Hemisphere's summer. The fact that they were able to get so close to the correct adjustment back in 1582 when Pope Gregory XIII introduced the Gregorian calendar is pretty remarkable.
Of course the reason we have twelve months goes back even farther to (I think) the ancient Egyptians who tied it to the signs of the Zodiac. Ever wonder why Moses told his followers to stop worshiping the Golden Calf, or why that little drawing of a fish is the symbol of Christianity? It has to do with the Zodiac - Taurus the Bull and Pisces the Fish. Of course now we're in the dawning of the Age of Aquarius.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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