How to remove Sundays and Holidays from date?

I am trying to remove days where the business is closed (Sundays and U.S. Holidays). What would be the best way to tackle this?

Date    Amount  TAVG
2018-01-07  0.0 59
2018-01-14  0.0 38
2018-01-16  0.0 36
2018-01-21  0.0 63
2018-01-28  0.0 60