4 listings in Harleysville, 1 of them farmers markets. 2 have a market day and hours from a public register or the market's own website. Market days in Harleysville: Monday (2), Tuesday (2), Wednesday (2), Thursday (2), Friday (2), Saturday (2), Sunday (2).
Few Harleysville listings have a schedule or SNAP authorization we could source. Quakertown, 10 miles away, has 5 listings with more sourced detail; see also all of Pennsylvania.