This occurs for three major reasons: 1  Jews and non-Jews share surnames. The third most common Jewish surname in the United States (after Cohen and Levy) is Miller. 2  Intermarriage and conversion. The fact that the surname McKenney appears in CJSI does not mean necessarily that Jews bore this name. 3  Nature of database.
21:19 using 24-hour clock notation. Military time notation is based on 24-hour clock. A time of day is written in the form hhmm, where hh (0-23) stands for full hours that have passed since midnight, mm (00-59) is the number of minutes that have passed since the last full hour. time of day is written in the form hhmm, where hh (0-23) stands for full hours that have passed since midnight, mm (00-59) is the number of minutes that have passed since the last full hour.
In 24-hour time, 00:00 is equal to 12:00 AM, and then you can think of the rest of the hours between 00:00 and 12:00 as being equal to the hours between 12:00 AM and 12:00 PM on the 12-hour clock. This means that the conversions are as follows: 00:00 = 12:00 AM. 01:00 = 1:00 AM.