Analemma

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Analemma
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Time

• Mean Solar Time Time based on the average time
  between meridian crossings of the Sun. Each day
  is exactly 24 hours.
• Apparent Solar Time The actual hour angle of the
  Sun 12 hours
• Sidereal Time The hour angle of the vernal
  equinox. Repeats every 23 hr 56 min 4 sec.

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Moon Orbits the Earth
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Lunar Phases
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Moons Rotation Matches Orbit

• Sidereal rotation period is the same as the
  sidereal orbital period 27.3 days
• Moon shows the same face to the Earth
• Caused by Earths tidal force on the Moon

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Lunar Month

• Based on the motion of the Moon around the Earth
• Sidereal month 27.321662 days. Defined relative
  to the stars.
• Synodic month 29.530589 daysPhase period New
  Moon to New Moon

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Synodic vs. Sidereal Month
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The Moon from Earth