Tax - FREE Week-end for Back to School One of the busiest shopping weekends in Texas. The State's tax free weekend begins at 12:01 am on Friday and runs until midnight Sunday, saving shoppers nearly $8.00 on every $100.00 spent. Tax - FREE Week-end for Back to Schoo... Date and Time Friday Aug 8, 2014 Sunday Aug 10, 2014 Share × Print Email Add to Calendar Facebook Twitter LinkedIn Tell a Friend × Select Calendar Type × Google Yahoo iCal (Outlook, Apple, or other)