Today at 11:00am As Memorial Day approaches on Monday, May 31, a few community and government facilities will be closed or have altered schedules. Fairfax County Government: Fairfax County Courts: County Libraries, Recreation Centers, Parks: All Fairfax County RECenters will operate at their regular hours. Colvin Run Mill and Sully Historic Site grounds will be open from noon to 4 p.m. for strolling, but all the buildings will be closed. The E.C. Lawrence, Hidden Oaks, Hidden Pond, and Huntley Meadows nature centers will be open from noon until 5 p.m. on May 31. The Riverbend Park visitor center will be open from 9 a.m. to 5 p.m.