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The Tenji period is a brief span of years during the Asuka period of Japanese history. The Tenji period describes a span of years which were considered to have begun in the 1322nd year of the imperial dynasty. [1]
The timespan is the same as the reign of Emperor Tenji, which is traditionally considered to have been from 662 through 672. [2]
The adoption of the Sexagenary cycle calendar (Jikkan Jūnishi) in Japan is attributed to Empress Suiko in 604; [3] and this Chinese calendar continued in use throughout the Tenji period.
In 645, the system of Japanese era names (年号,, nengō,, lit. "year name") was introduced. [4] However, after the reign of Emperor Kotoku, this method of segmenting was temporarily abandoned or allowed to lapse. This interval continued during the Tenji period.
Neither the years of Emperor Tenji's reign nor the Tenji period are included in the list nengō for this explicit duration of time, which comes after Hakuchi and before Suchō.
In the post-Taika or pre-Taihō chronology, the first year of Emperor Tenji's reign (天智天皇元年 or 天智天皇1年) is also construed as the first year of the Tenji period (天智1年). [5]
Non-nengō periods in the pre-Taihō calendar were published in 1880 by William Bramsen. [1] These were refined in 1952 by Paul Tuschihashi in Japanese Chronological Tables from 601 to 1872. [5]
The pre-Tahiō calendar included two non-nengō gaps or intervals in the chronological series:
Nengō were not promulgated (or were allowed to lapse) during the gap years between Hakuchi and Shuchō, and in another gap between Shuchō and Taihō.
| Concurrent Chronologies | |||||
|---|---|---|---|---|---|
| Non-nengō periods | Nengō eras | Shinengō [10] | Imperial dynasty duration | Western calendar dates | |
| Taika [6] | 1305 | 645 [11] | |||
| Hakuchi [7] | 1310 | 650 [12] | |||
| Saimei's reign [1] | 1315 | 655 [13] | |||
| Tenji's reign [1] | 1322 | 662 [14] | |||
| Kōbun's reign [15] | Sujaku [16] | 1332 [1] | 672 [17] | ||
| Temmu's reign | Hakuhō [18] | 1333 [1] | 673 [19] | ||
| Suchō [8] | 1346 | 686 [20] | |||
| Jitō's reign [1] | 1347 | 687 [21] | |||
| Taika [22] | 1350 | 695 [22] | |||
| Mommu's reign [1] | 1357 | 697 [23] | |||
| Taihō [9] | 1361 | 701 [24] | |||
Empress Kōgyoku, also known as Empress Saimei, was the 35th and 37th monarch of Japan, according to the traditional order of succession. Both her reigns were within the Asuka period.
Emperor Tenji, known first as Prince Katsuragi and later as Prince Nakano Ōe until his accession, was the 38th emperor of Japan who reigned from 668 to 671. He was the son of Emperor Jomei and Empress Kōgyoku, and his children included Empress Jitō, Empress Genmei, and Emperor Kōbun.
Emperor Kōbun was the 39th emperor of Japan, according to the traditional order of succession.
Emperor Tenmu was the 40th Emperor of Japan, according to the traditional order of succession. He ascended to the throne following the Jinshin War, during which his army defeated that of Emperor Kōbun. Tenmu reigned from 673 until his death in 686, amid Hakuhō period or the late Asuka period.
Empress Jitō was the 41st monarch of Japan, according to the traditional order of succession.
Emperor Monmu was the 42nd emperor of Japan, according to the traditional order of succession.
The Japanese era name or nengō, is the first of the two elements that identify years in the Japanese era calendar scheme. The second element is a number which indicates the year number within the era meaning "origin, basis", followed by the literal "nen (年)" meaning "year".
Tokuji (徳治) was a Japanese era name after Kagen and before Enkyō. This period spanned the years from December 1306 through October 1308. The reigning emperor was Go-Nijō-tennō (後二条天皇).
Taihō (大宝) was a Japanese era name after a late 7th century interruption in the sequence of nengō after Shuchō and before Keiun. This period spanned the years from March 701 through May 704. The reigning emperor was Monmu-tennō (文武天皇).
Chōgen (長元) was a Japanese era name after Manju and before Chōryaku. This period spanned the years from July 1028 through April 1037. The reigning emperors were Go-Ichijō-tennō (後一条天皇) and Go-Suzaku-tennō (後朱雀天皇).
Shuchō (朱鳥), alternatively read as Suchō or Akamitori, was a Japanese era name after a gap following Hakuchi (650–654) and before another gap lasting until Taihō (701–704). This Shuchō period briefly spanned a period of mere months, June through September 686. The reigning sovereigns were Tenmu-tennō (天武天皇) and Jitō-tennō (持統天皇).
Taika (大化) was a Japanese era name during the reign of Kōtoku. The Taika era immediately preceded the Hakuchi era. This period spanned the years from August 645 through February 650.
Hakuchi (白雉) was a Japanese era name after the Taika era and before Shuchō. This period spanned the years from February 650 through December 654. The reigning emperor was Kōtoku-tennō (孝徳天皇).
The Saimei period is a chronological timeframe during the Asuka period of Japanese history. The Saimei period describes a span of years which were considered to have begun in the 1315th year of the imperial dynasty.
The Kōbun period is a chronological timeframe during the Asuka period of Japanese history. The Kōbun period describes a span of years which were considered to have begun in the 1332nd year of the imperial dynasty.
The Temmu period is a chronological timeframe during the Asuka period of Japanese history. The Temmu period describes a span of years which were considered to have begun in the 1333rd year of the imperial dynasty.
The Jitō period is a chronological timeframe during the Asuka period of Japanese history. The Jitō period describes a span of years which were considered to have begun in the 1347th year of the imperial dynasty.
The Monmu period is a chronological timeframe during the Asuka period of Japanese history. The Mommu period describes a span of years which were considered to have begun in the 1357th year of the imperial dynasty.
Ten'ō (天応) was a Japanese era name after Hōki and before Enryaku. This period lasted from January 781 through August 782. The reigning emperor was Kōnin-tennō (光仁天皇).
Hōan (保安) was a Japanese era name after Gen'ei and before Tenji. This period spanned the years from April 1120 through April 1124. The reigning emperors were Toba-tennō (鳥羽天皇) and Sutoku-tennō (崇徳天皇).