GB/T 33661-2017 English PDF

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GB/T 33661-2017: Calculation and promulgation of the Chinese calendar
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Basic data

Standard ID: GB/T 33661-2017 (GB/T33661-2017)
Description (Translated English): Calculation and promulgation of the Chinese calendar
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A46
Classification of International Standard: 07.040
Word Count Estimation: 12,111
Date of Issue: 2017-05-12
Date of Implementation: 2017-09-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the rules of the lunar calendar, the calculation model and the accuracy, the presentation method and the requirements. This standard applies to the compilation and promulgation of the lunar calendar.

GB/T 33661-2017: Calculation and promulgation of the Chinese calendar

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Calculation and promulgation of the Chinese calendar ICS 07.040 A46 National Standards of People's Republic of China Lun compilation and promulgation 2017-05-12 released 2017-09-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III Introduction IV 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1

4 Rules for the arrangement of the lunar calendar

Calculations and Accuracy of Lunar 6 Lunar Presentation 4

7 Declaration of the Lunar New Year

Appendix A (normative appendix) Twenty-four solar terms 5 Appendix B (informative) Important lunar calendar date 6 Appendix C (normative appendix) sixty dry branch week 7 Appendix D (informative appendix) Example of lunar calendar date representation

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and centralized by the Chinese Academy of Sciences. The drafting of this standard. Chinese Academy of Sciences Purple Mountain Observatory. The main drafters of this standard. Cheng burning, Fu Yanning, Xia Fang, Ren Shulin.

Introduction

The lunar calendar is the crystallization of the traditional Chinese calendar, with profound cultural origins of China, is not only one of the formal exercises of our country, But also for the overseas Chinese widely used, so the lunar calendar in the transmission of Chinese culture, to maintain the Chinese world and other aspects of irreplaceable significance. with , The lunar calendar as a special yin and yang calendar, both to reflect the season, agricultural and phenological characteristics, but also reflect the moon phase changes and tidal size and other natural Like, which makes it in the daily life, agricultural production, fishery production, flood control floods, navigation practice and so has a wide range of practical value. Lunar calendar is based on the sun and the moon's forecast position and a certain date of the rules, so the sun and moon position prediction accuracy difference Differences between the date and time of the different rules will directly affect the Lunar Year date of the results. Lack of lunar standards, will lead to non-standard Of the lunar calendar public offering, to bring confusion. In order to ensure the accuracy and authority of the lunar calendar, effectively maintain the lunar calendar as the country The uniformity and seriousness of the calendar, it is necessary to regulate the compilation and issuance of the lunar calendar, the development of national standards. Lun compilation and promulgation

1 Scope

This standard specifies the lunar choreography rules, calculation models and accuracy, representation and requirements. This standard applies to the compilation and promulgation of the lunar calendar.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. International Earth Rotation and Reference Services (IERSConventions) 1)

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Celestial sphere The imaginary sphere, centered on a selected point centered on a given length, used to mark and measure the position of the celestial body. movement. 3.2 Yellow eclipticpole Over the celestial center and the solar system centroid celestial sphere reference system in the moon to the center of the average orbital momentum vector parallel to the line with the celestial sphere Intersection point. 3.3 Ecliptic A large circle with a yellow pole on the celestial sphere. 3.4 The Yellow Circle Longecircle There is any big circle on the celestial sphere. 3.5 Really terrible truepole The International Astronomical Union stipulates the age of the precession movement model, 3.6 Really equator trueequator A great circle on the celestial sphere. 3.7 Really spring points trueequinox The intersection of the ecliptic to the real equator. ......

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