Why Chinese festival dates move
By Hong Kong Observatory
Read how lunar months and the solar year fit into the Chinese calendar.
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- Original page label
- Hong Kong Observatory: Calendar
- Original provider
- Hong Kong Observatory: Calendar
- Full scope record
- Lunisolar definition, new-moon month starts, roughly 354 versus 365 days and leap-month adjustment.
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- Page checked
- 2026-11-02
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- Lunisolar definition, new-moon month starts, roughly 354 versus 365 days and leap-month adjustment. Substantive indexed text only; full page not parsed. Media playback not reviewed. Text evidence reviewed November 2, 2026; this is not full video, caption, rights or human editorial review.
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