An Ad Schedule Bid Adjustment is an Adwords feature that allows you to auto increase or decrease your bids on specific days or weeks.
Step 1: Go into Desired Campaign, Go to Settings Tab
Step 2: Click on the Ad Schedule Button, Scroll Down until you see Days Listed
Step 3: Click +Ad Schedule, Click +Create Custom Schedule
Step 4: Select Your Desired Days and Times
Step 5: Go to the List of Ad Schedules Below
Step 6: Click On Bid Adjustment and set it to Increase or Decrease based on your Needs