SDY


AcronymDefinition
SDYSchenectady (Amtrak station code; Schenectady, NY)
SDYSequential Data Set System Printer
SDYSidney, MT, USA (Airport Code)
SDYStarter Deck Yugi (Yu-Gi-Oh cards)
SDYSouth Dekalb YMCA (Decatur, GA)
SDYSequential Day of the Year (date format)