Kanpō (寛保) was a
Japanese era name (年号, nengō, lit. "year name"), also known as Kampō, after Genbun and before Enkyō. This period spanned the years from February 1741 through February 1744.[1] The reigning emperor was
Sakuramachi-tennō (桜町天皇).[2]
Change of era
1741Kanpō gannen (寛保元年): Based on the belief in
Chinese astrology that the 58th year of the sexagenary cycle brings changes, the era name was changed to Kanpō (meaning "Keeping Lenient and Generous"). The previous era ended and the new one commenced in Genbun 6, on the 27th day of the 2nd month.
1743 (Kanpō 3, 11th month): A comet was sighted in the night sky;[3] and this comet is likely to have been what is today identified as
C/1743 X1 (De-Cheseaux).[5]