8th-century neologisms

was a after Jinki and before Tenpyō-kanpō. This period spanned the years from August 729 through April 749. The reigning emperor was .

Japanese era from 708 to 715

Japanese era from 701 to 704

, also known as Kyōun, was a following Taihō and preceding Wadō. The period spanned the years from May 704 through January 708. The reigning emperors were and .

was a after Tenpyō and before Tenpyō-shōhō. This period spanned mere months, April through July 749. The reigning emperor was .

was a after ''Ten'ō and before Daidō''. This period spanned the years from August 782 through May 806. The reigning emperor was .

was a after Reiki and before Jinki. This period spanned the years from November 717 through February 724. The reigning empress was .

was a after Jingo-keiun and before ''Ten'ō''. This period spanned the years from October 770 through January 781. The reigning emperor was .

Japanese era 715-717

was a after Hōki and before Enryaku. This period lasted from January 781 through August 782. The reigning emperor was .

Japanese era from 724 to 729

was a after Tenpyō-jingo and before Hōki. This period spanned the years from August 767 through October 770. The reigning empress was . This was the same woman who had reigned previously as the former .

was a after Tenpyō-hōji and before Jingo-keiun. This period spanned the years from January 765 through August 767. The reigning empress was . This was the same woman who had reigned previously as .

was a after Tenpyō-kanpō and before Tenpyō-hōji. This period spanned the years from July 749 through August 757. The reigning empress was .

was a after Tenpyō-shōhō and before Tenpyō-jingo. This period spanned the years from August 757 through January 765. The reigning Emperor was , who was a mere figurehead while authority was in the hands of Fujiwara no Nakamaro and during the later years of the era increasingly with retired Empress Kōken and the monk Dōkyō.