The Tuesday market was established during the colonial era to serve residents of Chorkor, Mamprobi, Korle Gonno and its environs. Traders from rural areas arrive at the market with their goods on Saturdays and start on Mondays, peaking on Tuesdays, hence the name Tuesday Market.
https://allafrica.com/stories/201901180376.html
http://bentil.blogspot.com/2009/11/tuesday-market-on-verge-of-collapse.html?m=1
https://newsghana.com.gh/affordable-prices-dirty-tuesday-market