The majority in Florida belongs to the Eastern Time Zone (EST). The difference to Central European Time (CET) is six hours back.
For example, 11:00 a.m. minus 6 hours = 5:00 a.m.
The north-western part of Florida belongs to the Central Time Zone (CST) and was seven hours behind Central European Time.
For example, 11:00 a.m. minus 7 hours = 4:00 a.m.
The time from 0:00 a.m. to 12:00 p.m. is a. m. or also on (ante meridiem) and the time from 13 to 23:59 is marked with p. m or pm (post meridiem).
Interestingly, there is also summer and winter time in Florida, summer time applies from the first Sunday in April to the last Sunday in October.