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Chinese Lunisolar Calendar vs Islamic Lunar Calendar

  • The Chinese calendar is lunisolar.
  • The Islamic calendar is purely lunar.
  • The two systems operate on different astronomical principles.

  • Lunar months begin at astronomical new moons.
  • Leap months inserted for solar alignment.
  • Anchored to the winter solstice.
  • Keeps seasons consistent.

  • 12 lunar months.
  • No solar correction.
  • Moves across seasons over time.
  • Determined by lunar observation traditions.

The Chinese system maintains agricultural alignment with seasons.

The Islamic calendar does not anchor to solar cycles.

Thus, the two systems are astronomically distinct.

For Chinese structure, see: The Origin of the Chinese Lunisolar Calendar