市日 is read as いちび (ichibi) and means market day.
いちび
ichibi
いちがたつひ
market day
にほんしじょう
the Japanese market
よっかいちだいがく
Yokkaichi University
にっぽんのうぎょうしじょうがっかい
Agricultural Marketing Society of Japan
よっかいちかんごいりょうだいがく
Yokkaichi Nursing and Medical Care University
しりつ
municipal
いちなか
in the city
しない
いちば
(town) market
しじょう
(street) market
しちょう
mayor
しみん
bourgeoisie