27 rows Many places in the world use the 24hour time format 24hour time format is similar regular AM/PM time, except that you keep counting up after you get past 12 PM (noon) So 1 PM in 24hour format is 1300, 2 PM is 1400, and so on All you need to do is add 12 to any time in the PM to get 24hour format time Under Advanced Settings, find Clock Display Time and select whether you want the time shown in 12hour or 24hour clock units Click Submit and sync your device Note this must be done from fitbitcom dashboard;1215 AM = 015
24 Hour Clock Conversion Worksheets
