showHourDefault: null - Whether to show the hour control. The default of null will use detection from timeFormat.
showMinuteDefault: null - Whether to show the minute control. The default of null will use detection from timeFormat.
showSecondDefault: null - Whether to show the second control. The default of null will use detection from timeFormat.
showMillisecDefault: null - Whether to show the millisecond control. The default of null will use detection from timeFormat.
showMicrosecDefault: null - Whether to show the microsecond control. The default of null will use detection from timeFormat.