The Blood Center will be observing special hours for the Memorial Day holiday. All Houston area locations and Brazos Valley will be open from 8 a.m. to 2 p.m. The Nacogdoches location will be open its regular hours of 9 a.m. to 2 p.m. However, instead of only collecting automated donations, all donation types will be collected. The Lufkin location will remain closed as usual on Mondays.