Holidays are off by 1 day – USA Holidays 2013 - 2017 Calendar and Events Countdown Review

I've had this app for a whole now, 2 yrs. for snow reason the calendar's US holidays don't match up with an actual real wall calendar's day, the app says Memorial Day is on the 27th a Tues but a wall calendar says the true date, Mon the 26th. I'm finally going to uninstall and try it again, just frustrated
Review by fussaboy on USA Holidays 2013 - 2017 Calendar and Events Countdown.