Sidereal time literally means “time by the stars.” A sidereal day is a measurement of one rotation of Earth referenced to distant background stars — think of this as the amount of time it takes a ...

A solar day is defined by the Sun's return to the local meridian, while a sidereal day is defined by the return of the March equinox to the local meridian. A solar day is approximately 3 minutes and ...

Pop quiz! How long is the average year? If you said “365 days”, then congratulations! You’re wrong. If you said “365.25 days” ...

Get ready for your horoscope to change it’s scope. For centuries, human beings have searched the stars to help them navigate the earth and understand themselves. Ancient Babylonians were among the ...

Sidereal year: The time necessary for the Earth to make one complete revolution around the sun; 365 days, 6 hours 9 minutes, 9.5 seconds. The calendar year is 365 days, and 366 days every fourth year.

Did you know there’s more than one type of astrology in the world, or that these different types of astrology use completely different time-keeping systems? Western astrology is the “mainstream” type ...