• SUVANNABHUMI
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• v.12 no.1
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• pp.131-142
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• 2020

This article explored how the introduction of the Gregorian calendar transformed the Buddhist traditional practices of a noble class family who lost power in the royal court during the emergence of the British in Upper Myanmar. It examined in micro-level, the said changes by way of Wekmasuk Wundauk U Latt's diary, which recorded the social and economic conditions of Mandalay, then the capital of the Myanmar kingdom, from 1886 to 1898. When Burmese kings reigned in Mandalay, the court closed on Sabbath day, when the Buddhist Burmese went to monasteries to fulfill religious obligations. The introduction of the Gregorian calendar turned Sunday into a regular day off, which left Sabbath day to be used for more work. This prevented the then noblemen to attend to monastic duties as they had to use the day, for example to go to the bank to draw their pension. This research reveals that the Gregorian calendar has transformed the day off from "holy day" to "holiday."

• Industry Promotion Research
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• v.6 no.1
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• pp.23-31
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• 2021

The Calendar(曆法) has been a very important concern in every dynasty of history.『Hyupgiltongui』 written in the Joseon Dynasty included many contents related to the Calendar. In particular, the ancient rule of the Calendar(曆律) shown in the text of 『Hyupgiltongui』 Bonwon chapter one is meaningful in the process of creating the necessary Calendar for selection and reading fortune. Accordingly, we tried to analyze the rule of the Calendar(曆律) that is the fundamental principle of the Calandar(曆法) and the almanac which can be used in real life, based on comparative analysis of 『Hyupgibyeonbangseo』, 『Sanggiltongseo』 and 『Cheongidaeyo』, which are the basis of 『Hyupgiltongui』. Saju Myung-ri is the scheme of time change by the combination of Ganji (Celestial Stems). Therefore, the core of the calendar system is to make four pillars by the year, month, day, and time. For doing this, 『Hyupgiltongui』 provides basic principles and materials for making four pillars using constellations like 28 Fixed Stars, as well as does simple composition principle for telling fortune such as Ten Celestial Stems, Twelve Zodiac Signs, the order of four seasons(四序), Yukjin(六辰) and Sexagenary Cycle (甲曆). However, despite the limitations of the results produced by the rule of the Calendar(曆律), we came to the conclusion that if reading fortune in Saju(四柱簡明) is to find good one(吉) in terms of understanding it as the rule of predicting future(術法) not science, its usefulness cannot be ignored.

• Publications of The Korean Astronomical Society
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• v.31 no.1
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• pp.1-9
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• 2016

We investigate the records related to the reign style and the calendar day from the epigraphs of the Goryeo dynasty (918 - 1392) in Korea in order to verify and supplement the sexagenary cycle data of the first day in the lunar month of the dynasty. The database of the National Research Institute of Culture Heritage contains a rubbed-copy image, transcription statement, and translation statement for Korean epigraphs as well as 775 epigraphs corresponding to the Goryeo dynasty. The epigraph records are valuable in that, during this time, they were written differently from other historical literature such as the Goryeosa (History of the Goryeo Dynasty), which was compiled in the next dynasty. We find that the Goryeo dynasty, in general, had adopted the reign styles of Chinese dynasties at that time. We also find 159 calendar day records all showing good agreement with the work of Ahn et al. except for dozens of records. Through this study, we can verify the reign styles and the calendar days of the Goryeo dynasty.

• Journal of The Korean Astronomical Society
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• v.11 no.1
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• pp.47-54
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• 1978

Twelve Chih was sasigned to each day in the old Chinese calendar. This paper clarifres the relations between 12 Chih and the diurnal motion of Big Dipper or the clock, and it shows the long term table and formula for the dayly assignment of 12 Chih in the calendar.

• Journal of The Korean Astronomical Society
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• v.33 no.3
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• pp.177-183
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• 2000

We arrange Korean ancient calendar with Solar calendar during Choseon Dynasty(A.D. 1392-1910). In this period, we have one representable history books and several books, and most of information for date are found from them, ChoseonWangjosillok(조선왕조실록) and Jeungbomunheonbigo(증보문헌비고), etc. In those books many astronomical data and calendar information data are contained, so we can make chronological tables. Most of the data are arranged based on those several books, and for doubtable data are identified from eclipse, historical events and lunar phase calculations etc. We find that arranged chronological tables during Choseon Dynasty are similar to that of China and somewhat different from that of Japan. In addition we summarize all misrecorded date data in ChoseonWangjosillok

• Publications of The Korean Astronomical Society
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• v.14 no.2
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• pp.129-137
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• 1999

We arranged ancient Korean calendar during Koryo dynasty (A.D. 918-1392) according to Julian calendar. We used two representative history books, Koryo-sa (高麗史) and Koryo-sa Jeolyo (高麗史節要), which contain thea stronomical and the historical records chronologically. We found all 19,727 ganji dates(日辰) and 102 misrecoreded ganji dates in two books. Most of the data are arranged based on those two books, and doubtful data are identified using the eclipse, historical events and lunar phase calculations etc. Although Korea, China, and Japan were using basically the same calendar since ancient times, their calendars show some significant disagreement. We found that arranged chronological tables during Koryo dynasty were, in some cases, different from those of China and Japan.

• Journal of Digital Convergence
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• v.15 no.4
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• pp.443-449
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• 2017

Since usage of smartphone becomes popular, Ecology of smart media based on smartphone is creating new ecological system of information. This research is for evaluating usability and sustainability of application due to development of smartphone usage in these days. For the research, precedent researches were analyzed and hypothesis were set up based on those researches. Then, iCloud Calendar and Never Calendar, which are two major calendar applications, were evaluated by in-depth interview and measuring task performance time of interviewees, and used these results to verify hypothesis. Then verify hypothesis through the research and analyze which type of users focus on aesthetic impression, and which users focus on usability and practicality. This research is to analyze success and failure points of Calendar Applications' user experience design, and suggests guideline for future transformation of offline to online.

• The Journal of Korean Philosophical History
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• no.54
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• pp.153-184
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• 2017

During the Pre-Qin(秦) Dynasty era, there were the records that there had been many calendar systems, such as $g{\check{u}}-li{\grave{u}}-l{\grave{i}}$(古六曆 : six ancient calendar systems). Then, the fact that particularly $zh{\bar{o}}u-l{\grave{i}}$(周曆) and $xi{\grave{a}}-l{\grave{i}}$(夏曆) were mainly discussed among them resulted from a lot of discussions from the differences in the calendar system in "$Ch{\bar{u}}n-qi{\bar{u}}$(春秋)" known to have been written by Confucius from the calendar system in "$X{\acute{i}}ng-xi{\grave{a}}-zh{\bar{i}}-sh{\acute{i}}$(行夏之時 : implement the calendar of Ha dynasty.)" that Confucius mentioned himself to his disciple. $zh{\bar{o}}u-l{\grave{i}}$(周曆) with $d{\bar{o}}ngzh{\grave{i}}-yu{\grave{e}}$(冬至月 : the 11th month of the lunar calendar) as the first month of a year had the system of the lunar calendar, and $xi{\grave{a}}-l{\grave{i}}$(夏曆) called as the calendar of Ha(夏) dynasty had the system of $ji{\acute{e}}-q{\grave{i}}-l{\grave{i}}$(節氣曆 : a kind of the solar calendar that divides one year of 365 days into 24 solar terms) with $y{\acute{i}}n-yu{\grave{e}}$(寅月 :one month from the present Feb 5) as the first month of a year. These two calendars had definite differences in the first months of a year, names of seasons, and the lunar calendar and the solar calendar. The fundamental reason why Confucius recommended the performance of $xi{\grave{a}}-l{\grave{i}}$(夏曆) as a way to run the nation was not that it started from the philosophical view of the universe that among the 'three $zh{\bar{e}}ng$'(三正)' of $ti{\bar{a}}n-zh{\bar{e}}ng$(天正 : the first month of a year with the heaven as the standard), $d{\grave{i}}-zh{\bar{e}}ng$(地正 : the first month of a year with the earth as the standard) and $r{\acute{e}}n-zh{\bar{e}}ng$(人正 : the first month of a year with humans as the standard), but that he wanted to emphasize the importance of practical national economic policies to enhance agricultural productivity. It becomes the criterion that even though Confucius emphasized that politicians should not have moral flaws ideally, with regard to public policies, he wanted to stress politicians' duties based on the reality a lot.

• Journal of Science and Technology Studies
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• v.12 no.2
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• pp.159-183
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• 2012

In order to create a desirable science culture needed in our society, it is necessary to overcome the foreignness of science and technology and to overcome severance from tradition. In this context, this article attempts to understand the characteristics of our traditional science and to explore the possibility of forming a desirable science culture through astronomy, which is an example of traditional science. Thus, this article examined the general characteristics of astronomy that had appeared first in ancient civilization. It also focused on the fact that each civilization has its own unique cultural elements together with astronomical knowledge as a field of science in traditional astronomy. Calendar and lifa(曆法), which are considered science of time, are closely connected with people's daily lives and reveal cultural differences clearly among the subfields of astronomy. In all ancient civilizations, time was represented based on the movements of the sun and the moon, but how time should be concretely represented varied, depending on different cultures. As a result, various calendar system emerged. Throughout East Asia, including our country, the luni-solar calendar was used. The calendar in East Asia, unlike that in the West, was the one derived from the lifa, which was very complex and elaborate astronomical work. The characteristics of the luni-solar calendar can be clearly found in the seasonal customs that represent people's daily lives well; however, lots of so-called superstition are also included in the seasonal customs. For this reason, it is easy to misunderstand that our calendar system is unscientific, or to suspect that our overall traditional science lacks scientific aspects. However, proper understanding of the calendar and the lifa of East Asia can confirm that scientific aspects certainly existed in our tradition. This will be the vital link to tradition that will help overcome the foreignness of today's science and technology.

• Journal of The Korean Astronomical Society
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• v.1 no.1
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• pp.19-27
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• 1968

A simple method for solar-lunar calendar conversion is obtained by means of Meton period for the convinience of the date conversion in the study of the old records of astronomical observations in Korea.