For next day shipping, 3:30PM CST is the cut-off time for next (business) day delivery orders. Orders placed after this time are not guaranteed to arrive the next business day. Next day orders placed on Fridays will arrive on Mondays. Next day orders placed on Friday before the cut-off time will arrive on Mondays. Next day orders placed on Fridays after the cut-off time, and on Saturdays and Sundays will be processed on the following Mondays and delivered on Tuesdays.