Daylight Savings Time Starts this weekend, and everyone is reminded to move their clocks forward 1 hour Saturday night before bed or at 2:am Sunday morning. The start of Daylight Savings Time is also a good opportunity to check the smoke detectors in your home. Fire Department officials urge residents to change the batteries in their smoke detectors and test them as they set their clocks forward an hour Saturday night. "It doesn't have to be on Sunday," said the State Fire Marshal. "It can on Friday. It can be on Saturday or Sunday. Take the time to get some nine-volt batteries and replace the batteries and test your smoke alarms." Smoke detectors need to be tested monthly, he said. "Smoke alarms are designed to be good for about 10 years,". "It doesn't mean that they'll last 10 years. That's why you want to test them on a monthly basis."