Solution: You are in the wrong time zone. Press and hold SET until you reach the "ZONE" setting. Change from "P" to "E" if you live in New York.
While the clock will set itself automatically, you must input your Time Zone and Daylight Saving Time preference manually. sharp atomic clock spc373 user manual
Note: Manually setting time disables atomic sync until the next automatic search or manual re-sync. Solution: You are in the wrong time zone