noun
pillar calendar; wall calendar
A small calendar or almanac affixed to a pillar or wall, used historically. Compare with 綴暦 (とじごよみ), a bound calendar.
See also: 綴暦 (とじごよみ)
昔の家では、柱暦を柱に貼って日付を確認した。
In old houses, people attached a pillar calendar to a pillar to check the date.
綴暦 is a bound calendar or almanac, while 柱暦 is a single-sheet calendar affixed to a pillar or wall.
Compound of 柱 (はしら, 'pillar') and 暦 (こよみ, 'calendar'). The exact historical derivation is uncertain, but the term refers to a calendar posted on a pillar.