In order of history,the first choosing is natural se ason for primeval society,along with the life order was established,people first choose the society time as basic of festival system.

• 从历史发展的路径看,早期社会以自然时序的天时为第一选择,随着社会生活秩序的确立,人们逐渐以适用社会生活节奏的人时为岁时体系建立的基础。