Talk:Solar term

Solar term dates can vary more than +-1 from given date

If you check e.g. "awakening of insects" day that normally falls on 5th of March, it falls 7th of March on 1903. See following data source http://www.time.ac.cn/calendar/calendar.htm, which unfortunately works in Internet Explorer only.

Table

I want to add one more column to the table but, by doing so, I notice that the extra column will push the table into the box on the right!

Suggestion(s), anyone? Mekong Bluesman

In my normal view, with the column headed by the Wikipedia globe on the left, the table is already placed below the box with a large white space below the introductory text, and occupies the rest of the screen from the Wikipedia column to the righthand edqe of the screen. I suggest removing the righthand column of the table since it simply repeats the same column in the similar table near the end of Chinese calendar. — Joe Kress 21:19, Mar 20, 2005 (UTC)

Thank you. I've moved it to the top and flattened it somewhat. Do have a look. Let's hope that someone with a better spatial sense than I will make it look neater. 216.239.65.108 (Sorry, forgot to sign in. Mekong Bluesman)

Martian jieqi

Yaohua2000, what's the point of marking jingzhe in Martian climate when there are no spieces living on Mars to hibernate? --Puzzlet Chung 07:39, 24 May 2005 (UTC)

Jingzhe is just a name of Jieqi, it was defined as the center of the observation object 345° <= L_s < 360°. It doesn't depend on any livings, just like Mars in Chinese is "Fire Star", but there no fire on it. The definition of Jieqi is make sense to Mars, because it marks the changes of seasons, so don't revert my work on it. -- Yaohua2000 11:28, 2005 May 24 (UTC)

Why would anyone care about Martian jieqi? Also, the list of Earth dates that correspond with Martian jieqi days will become out-of-date in a year. —Tokek 19:55, 24 May 2005 (UTC)

Perhaps you don't care Martian jieqi, but you can't say anyone don't care about it. At least, it is useful. It is useful to determine the current Martian season, the weather or temperature with ease. I'll add the next year jieqi days in the next year. — Yaohua2000 21:04, 2005 May 24 (UTC)

Is there a particular religion, cult, or any other group that cares about martian jieqi? What about the jieqi of all the other planets that are equally not notable as martian jieqi?—Tokek 21:28, 24 May 2005 (UTC)

Mars is different. Its axial tilt is quite close to Earth. So it has a similar season as Earth. There are already dozens of different calendars for Mars, you can't say none cares about them, or calendars for Mars doesn't make sense. To care about or not is not the most important thing, perhaps very few people cares about transit of Mercury from Neptune, but Wikipedia have articles related to it, because it make sense, it contains knowledge, so an encyclopedia should contains it. — Yaohua2000 22:42, 2005 May 24 (UTC)

Martian jieqi appears to be the original idea of Yaohua2000, but original ideas are forbidden on Wikipedia. Usefullness is not a sufficient criteria for inclusion in Wikipedia—verifiability via a reputable source is. Furthermore, Wikipedia requires consensus, and three editors (including myself) have already indicated their opposition to its inclusion in this article to only one editor, its originator, for it. Thus I am removing it from the article. — Joe Kress 03:55, May 25, 2005 (UTC)

If Yaohua2000 insists, why not moving the info. about "Martian jieqi" onto another page and link it to here. (Such as See also...). Who knows, in the future I may want to contribute with "Klingonian jieqi"!!! — Mekong Bluesman 11:43, 28 May 2005 (UTC)

A separate article about Martian Jieqi would still violate Wikipedia:No original research, making the article subject to the Wikipedia:Deletion policy. Klingon was developed long before so it is not a new idea. Nevertheless, Klingon jieqi would also be a new idea, and subject to deletion as well. Sorry. — Joe Kress 19:00, May 28, 2005 (UTC)

Is solar term an instant or a period of time?

This article state that the solar term is an instant of time (e.g. March equinox time), but the articles for the individual solar terms (e.g. Chunfen ) state that the solar term is a period of time in which the sun movers 15 degrees. Which one is correct? Karl (talk) 12:21, 20 May 2015 (UTC)

A "solar term" is an instant. The article Chunfen is erroneous with regard to this. --Roland (talk) 21:59, 5 August 2016 (UTC)

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source of the translation "solar term"

Can someone cite an authoritative source for "solar term" (i.e. as a translation of qi 氣 in the sense of jieqi 節氣)? Wikipedia is the only place I have ever seen it, and that doesn't inspire confidence. It's certainly not common in current scholarship (e.g., Cullen's Heavenly Numbers or Morgan's Astral Sciences in Early Imperial China).--108.16.230.212 (talk) 06:58, 22 November 2021 (UTC)

I don't know where the phrase originated, but I do know that it's long been a standard term when talking about the Chinese calendar. To give some examples, "The Chinese Calendar and its operational rules" (Liu and Stephenson, 1997) uses the term, and the first author is from the Purple Mountain Observatory and is in charge of publishing the official calendar. The article from Aslaksen cited on this page also uses the term, as does the Hong Kong Observatory page also linked from here.

Having said that, it might be a good idea to discuss other translations of the term in the article, such as "solar breaths", the term used in "Astronomy and Calendars: The Other Chinese Mathematics" (Martzloff, 2016). I don't have time at the moment to go into detail on this though. Arcorann (talk) 10:58, 4 March 2022 (UTC)

Adding a note that the phrase "solar term" appears in An Anglo-Chinese Calendar for 250 years by Charls Kliene, published 1905 (Internet Archive). Still don't know if this is the earliest, but it does prove that it's been around for a while. Arcorann (talk) 11:25, 25 October 2023 (UTC)