The practice of changing from standard time to daylight savings time has become outdated. The current system extends daylight savings time from the second Sunday of March until the first Sunday of November, meaning standard time is used for approximately only 4 months each year.
A recent poll showed 73% of people were in favor of extending daylight savings time year round (
http://blog.al.com/wire/2013/03/florida_considers_extending_da.html). It is time to adopt daylight savings time permanently.