Definitions

1. Metonic Cycle is a cycle that produces the same phase of the moon on the same date of the tropical year every 19 years. (Web site)
2. The Metonic cycle is 235 lunations or nineteen years, after which period the sun and moon occupy the same position relative to the stars.
3. The Metonic cycle was improved by both Callippus and Hipparchus.
4. Year 19 (there is no year 0) of the Metonic cycle is a year exactly divisible by 19 (ie when the Jewish year number, when divided by 19, has no remainder).

Great Year

1. In Antiquity the Metonic cycle was sometimes called the Great year. (Web site)

Solar Cycle

1. It is based on the Metonic Cycle of 19 years, a "solar cycle" of 28 years, and the Indiction Cycle of 15 years. (Web site)

Years

1. The leap years are years 3, 6, 8, 11, 14, 17, and 19 of the Metonic cycle.

Julian Calendar

1. The Lunar Equation is an expression of the difference between the Julian calendar and the Metonic cycle.

Year

1. If the remainder is zero, the year is also a leap year since year 19 of the Metonic cycle is a year exactly divisible by 19.
2. In the same manner, the remainder of the division indicates the year in the Metonic cycle (years 1 to 18) the year is in.

Synodic Month

1. The synodic month is used in the Metonic cycle. (Web site)

Moon

1. More scientifically, 19 is the number of years in the Metonic cycle, after which all the phases of the moon recur on the same day of the month.

Synodic Period

1. Metonic cycle: see synodic period.

Metonic Cycle

1. The Metonic cycle in astronomy and calendar studies is an approximate common multiple of the orbital periods of the Earth and the Moon. (Web site)
2. Nineteen years is preferred because the relative positions of the earth, moon and sun repeat almost exactly in the Metonic cycle of 18.6 years. (Web site)

Categories

1. Synodic Period
2. Orbital Periods
3. Synodic Month
4. Lunar Months
5. Leap Year
6. Books about "Metonic Cycle" in Amazon.com
   

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