there is a rule for everything

headed into the Baylor Grounds
4VAC20-720-60. Day and time limit.
A.  It shall be unlawful to take, catch, or possess oysters on Saturday and Sunday from the public oyster grounds or unassigned grounds in the waters of the Commonwealth of Virginia, for commercial purposes, except that this provision shall not apply to any person harvesting no more than one bushel per day by hand or ordinary tong for household use only during the season when the public oyster grounds or unassigned grounds are legally open for harvest. 
B.  It shall be unlawful for any person to harvest or attempt to harvest oysters prior to sunrise or after 2 p.m. from the areas described in 4VAC20-720-40 B 1 through 17, and 4VAC20-720-40 B 19 and 20.  In addition, it shall be unlawful for any boat with an oyster dredge aboard to leave the dock until one hour before sunrise or return to the dock after sunset, and it shall be unlawful for any boat with a hand scrape aboard to leave the dock until one-half hour before sunrise or return to the dock after sunset.