• Encyclopedia
    • Characteristics of the planets
    • Choose a Solar system body
      • Sun
      • Mercury
      • Venus
      • Earth
      • Moon
      • Mars
      • Jupiter
      • Saturn
      • Uranus
      • Neptune
      • Pluto
      • Asteroids
      • Comets
    • Numbers about
      the Solar system
    • Origin of names
    • Classify the bodies
  • Discovery
    • Famous astronomers
    • Main dates
    • Discoveries in
      the solar system
      • Sun
        • Sunspot
        • Solar eclipses
      • Mercury
        • Advance of the perihelion
      • Venus
        • Phases
        • Rotations
      • Earth
        • Form
        • Motion
      • Moon
        • Craters
        • Surface
      • Mars
        • Surfaces
        • Channels
        • Périod of rotation
        • Satellites
      • Jupiter
        • Satellites
        • Rings
        • Red Spot
      • Saturn
        • Rings
        • Satellites
      • Uranus
      • Neptune
        • Orbitography of
          planet
        • Satellites
        • Rings
      • Pluto
      • Asteroids
      • Comets
  • Space
    • History
    • Launching sites
      • Cap Kennedy
      • Kourou
      • Baikonour
      • Others spaces centers
    • Space missions
      • Apollo
      • Mariner
      • Viking
      • Voyager
      • Galileo
      • Soho
      • Mars Express
      • Cassini/Huygens
      • Luna
  • Observatories
    • FP7 ESPaCE Institutes
      • IMCCE
      • ROB
      • TUB
      • JIVE
      • CNES
      • DLR
      • TUD
    • Other European observatories
      • Observatoire de Paris
      • Pic du Midi
      • OHP
      • Bordeaux
      • OCA
      • Besançon
      • Greenwich
      • Torino
      • Vatican
      • Catania
      • Bucarest
      • Pulkovo
      • SAI
    • Institutes outside Europe
      • USNO
      • JPL
      • Mount Palomar
      • Zelenchuk
      • Shanghai
      • Itajuba
      • ESO
    • The largest
      telescopes
      • Reflectors
      • Refractors
    • Space observatories
      • HST
      • GAIA
      • SOHO
  • Understanding
    • Positional astronomy
      • Calendars
      • Astronomical
        phenomena
    • Ephemerides
      • Rise and set
      • Positions
    • Fundamental concepts
    • Fundamental constants
    • Knowing more
    • History of astronomy
    • Glossary
    • Teaching
    • Index
    • Guide


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Christian holidays
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Understanding > Astronomical calculations > Calendars IX

RELIGIOUS HOLY DAYS





 
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