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670.txt
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670.txt
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[2] [[時刻]]には、次のような分類があります。
[FIG(short list)[
- [[定時法]]
- [[不定時法]]
- [[太陽時]]
-- [[真太陽時]]
-- [[平均太陽時]]
- [[恒星時]]
- [[原子時]]
-- [[自由原子時]] ([[EAL]])
- [[力学時]]
- [[座標時]]
- [[標準時]]
- [[夏時刻]]
- [[世界標準時]]
- [[MET]]
- [[持ち時間]]
- [[再生時刻]]
]FIG]
[4]
[FIG(short list)[
- [[日界]]
-- [[30時間制]]
- [[日と時刻の関係]]
- [[時]]、[[分]]、[[秒]]
- [[12時間制]]、[[24時間制]]
- [[decimal time]]
- [[絶対時刻]]、[[相対時刻]]
- [[十二支]]
- [[古代印度時間]]
]FIG]
[3]
[FIG(short list)[
- [[GMT]]
- [[TAI]]
- [[UT]]
-- [[UT0]]
-- [[UT1]]
-- [[UT2]]
- [[UTC]]
- [[UTC(NICT)]]
- [[UTC(NAO)]]
- [[UTC(NMIJ)]]
- [[UTC(NIMT)]]
- [[UTC(TL)]]
- [[GPS時]]
- [[暦表時]] ([[ET]])
- [[地球力学時]] ([[TDT]])
- [[地球時]] ([[TT][Terrestrial Time]])
- [[太陽系力学時]] ([[TDB]])
- [[地心座標時]] ([[TCG]])
- [[太陽系座標時]] ([[TCB]])
- [[地磁気地方時]] ([[MLT]])
- [[ユリウス日]]
- [[修正ユリウス日]]
- [[Unix time]]
- [[Swatch Internet Time]]
- [[閏秒のないUTC]]
- [[HTML時刻系]]
]FIG]
[5] [[標準時]]、[[フィクションの時刻系]]も参照。
* メモ
[1] [CITE@ja[時刻系 - Wikipedia]]
([TIME[2016-07-06 14:53:53 +09:00]])
<https://ja.wikipedia.org/wiki/%E6%99%82%E5%88%BB%E7%B3%BB>
[6] [CITE[Time Scales]]
([TIME[2016-08-06 02:10:25 +09:00]])
<https://www.ucolick.org/~sla/leapsecs/timescales.html>