Jōkyō era (1684.2.21-1688.9.30)
Jōgan era (859.4.15-877.4.16)
Jōji era (of the Northern Court) (1362.9.23-1368.2.18); Teiji era
Jōgan period (of art history, 859-877 CE)
Jōei era (1232.4.2-1233.4.15)
Jōō era (1222.4.13-1224.11.20)
Jōwa era (of the Northern Court) (1345.10.21-1350.2.27); Teiwa era
Jōgen era (976.7.13-978.11.29); Teigen era
pavilion housing the empress's reception hall (in the inner Heian Palace)
Kōnin-Jōgan period (of Japanese art history, approx. 794-894 CE)
Sanriku earthquake of 869 CE