Analysis on the Hour-lines of Yangcheon-cheok
We studied the hour-lines of six extant Yangcheon-cheoks in Korea. To find whether Yangcheon-cheok was used in the whole area of Korea, we calculated the length of shadows of Yangcheon-cheok on the Korean Peninsula, Nanjing and Beijing as well as Hanyang (Seoul), according to 24 solar terms. Compa...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
The Korean Space Science Society
2017-03-01
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| Series: | Journal of Astronomy and Space Sciences |
| Subjects: | |
| Online Access: | http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2017/v34n1/OJOOBS_2017_v34n1_55.pdf |
| _version_ | 1797331492329750528 |
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| author | Sang Hyuk Kim Byeong-Hee Mihn Yong Sam Lee |
| author_facet | Sang Hyuk Kim Byeong-Hee Mihn Yong Sam Lee |
| author_sort | Sang Hyuk Kim |
| collection | DOAJ |
| description | We studied the hour-lines of six extant Yangcheon-cheoks in Korea. To find whether Yangcheon-cheok was used in the whole
area of Korea, we calculated the length of shadows of Yangcheon-cheok on the Korean Peninsula, Nanjing and Beijing as
well as Hanyang (Seoul), according to 24 solar terms. Comparing the length of shadows with hour-lines of those relics, we
could find that Yangcheon-cheok was suitable for use at limited times (from 9:00 to 15:00) during the year. Also, this sundial
is more appropriate for use at low latitudes than high ones. Among existing relics, that of Seoul Museum of History made
with porcelain was much more suitable to use at Hanyang and its higher latitude. Lee’s collection was also suitable to use
at Nanjing. It is certain that Yangcheon-cheok was a portable sundial which could be used from nine to fifteen of clock all the
year around except for the winter season. |
| first_indexed | 2024-03-08T07:35:20Z |
| format | Article |
| id | doaj.art-87bb468beb914acc9239480866cca8ec |
| institution | Directory Open Access Journal |
| issn | 2093-5587 2093-1409 |
| language | English |
| last_indexed | 2024-03-08T07:35:20Z |
| publishDate | 2017-03-01 |
| publisher | The Korean Space Science Society |
| record_format | Article |
| series | Journal of Astronomy and Space Sciences |
| spelling | doaj.art-87bb468beb914acc9239480866cca8ec2024-02-02T19:10:35ZengThe Korean Space Science SocietyJournal of Astronomy and Space Sciences2093-55872093-14092017-03-01341556510.5140/JASS.2017.34.1.55Analysis on the Hour-lines of Yangcheon-cheokSang Hyuk Kim0Byeong-Hee Mihn1Yong Sam Lee2Korea Astronomy and Space Science Institute, Daejeon 34055, KoreaKorea Astronomy and Space Science Institute, Daejeon 34055, KoreaDepartment of Astronomy and Space Science, Chungbuk National University, Cheongju 28644, KoreaWe studied the hour-lines of six extant Yangcheon-cheoks in Korea. To find whether Yangcheon-cheok was used in the whole area of Korea, we calculated the length of shadows of Yangcheon-cheok on the Korean Peninsula, Nanjing and Beijing as well as Hanyang (Seoul), according to 24 solar terms. Comparing the length of shadows with hour-lines of those relics, we could find that Yangcheon-cheok was suitable for use at limited times (from 9:00 to 15:00) during the year. Also, this sundial is more appropriate for use at low latitudes than high ones. Among existing relics, that of Seoul Museum of History made with porcelain was much more suitable to use at Hanyang and its higher latitude. Lee’s collection was also suitable to use at Nanjing. It is certain that Yangcheon-cheok was a portable sundial which could be used from nine to fifteen of clock all the year around except for the winter season.http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2017/v34n1/OJOOBS_2017_v34n1_55.pdfYangcheon-cheok (量天尺)woodblock sundialhour-lines24 solar terms |
| spellingShingle | Sang Hyuk Kim Byeong-Hee Mihn Yong Sam Lee Analysis on the Hour-lines of Yangcheon-cheok Journal of Astronomy and Space Sciences Yangcheon-cheok (量天尺) woodblock sundial hour-lines 24 solar terms |
| title | Analysis on the Hour-lines of Yangcheon-cheok |
| title_full | Analysis on the Hour-lines of Yangcheon-cheok |
| title_fullStr | Analysis on the Hour-lines of Yangcheon-cheok |
| title_full_unstemmed | Analysis on the Hour-lines of Yangcheon-cheok |
| title_short | Analysis on the Hour-lines of Yangcheon-cheok |
| title_sort | analysis on the hour lines of yangcheon cheok |
| topic | Yangcheon-cheok (量天尺) woodblock sundial hour-lines 24 solar terms |
| url | http://ocean.kisti.re.kr/downfile/volume/kosss/OJOOBS/2017/v34n1/OJOOBS_2017_v34n1_55.pdf |
| work_keys_str_mv | AT sanghyukkim analysisonthehourlinesofyangcheoncheok AT byeongheemihn analysisonthehourlinesofyangcheoncheok AT yongsamlee analysisonthehourlinesofyangcheoncheok |