GB/T 33661-2017
ActiveCalculation and promulgation of the Chinese calendar
农历的编算和颁行
Application Summary AI generated
This standard specifies the methods for calculating astronomical parameters such as lunar phases and solar terms, and defines the rules for determining leap months and the length of each month in the Chinese calendar. It is applied by government agencies, calendar publishers, and digital system developers to ensure the official, consistent, and accurate production of printed and electronic Chinese calendars for civil, agricultural, and cultural use.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.