As of 2014, First Monday Trade Days in Canton, Texas, runs the weekend before the first Monday of each month. The weekend counts as Thursday through Sunday, and the market is open from sunrise to sunset, regardless of weather conditions.
Depending on how the yearly calendar is organized, the flea market's dates could land at the beginning of the month or at the end. Some markets may open twice in one month, and some months could be skipped altogether.
First Monday Trade Days has maintained a long history in Canton, Texas. It has been open since the 1850s and gathers up to 300,000 visitors.