Linked from
The 10 pages that link to Japanese lunisolar calendar, each with the reason it gives.
BunrokuRelated: Its month and year structure underlies historical dates assigned to Bunroku.
ŌwaRelated: The historical years associated with Ōwa were reckoned under a lunisolar calendar.
Ten'enRelated: Ten'en's original dates followed the calendar used by the Heian court.
TenchōRelated: Its month boundaries mean Tenchō years do not align exactly with Gregorian years.
TengyōRelated: Tengyō dates originally followed lunisolar months, not Gregorian months.