Farmers market hours vary depending on the day. Weekend markets typically run in the morning and usually open around 7:00 AM.
Weekday night markets tend to run in the afternoon or evening, with most opening around 6:00 PM.
The day of the week is the biggest factor when figuring out what time a farmers market starts. If you are planning to go, morning markets on Saturday or Sunday tend to wrap up by early afternoon, so it is worth showing up early for the best selection.