"Texas Station Dec: 10x slots only Fridays and Saturdays. 10x slots/6x vp Mondays. 10x slots/6x vp for 50+ Wednesdays. Swipe to activate."
http://www.gamblingwithanedge.com/players-club-bonus-points
Signs posted at Texas Station say the point multipliers are available Mondays or Tuesdays, not just on Mondays.