MIAMI (CBS4) — When South Floridians wake up Sunday, they may get the feeling it is later than they think — and it will be, an hour later to be precise.

Daylight Saving Time begins Sunday, and anyone who has appointments to keep may want to set their clocks ahead one hour prior to hitting the hay.

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The good news in all of this is an hour more sunlight after the traditional work day ends, great for recreation and visiting with friends.

The lost hour will return Sunday, November 6, when clocks go back to standard time.

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The only two states that do not observe daylight-saving time are Arizona and Hawaii. Neither does American Samoa, Guam, Puerto Rico, and the U.S. Virgin Islands.

Fire departments across the region want to make the spring forward ritual to include changing batteries in smoke alarms. Most batteries need replacing every six months, so when you set your clocks forward or backwards in November, remember to also change the batteries.

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An unwanted side-effect of the time change is the impact it can have on alertness, especially since it will be darker in the mornings. The Florida Highway Patrol therefore warns drivers and pedestrians to be especially careful on the Monday morning commute to work or school.