List of week day names in narrow format, usually 1- or 2-letter abbreviations of full names.
The list begins with the value corresponding to Sunday and ends with Saturday. Use firstDayOfWeekIndex to find the first day of week in this list.
- US English: S, M, T, W, T, F, S
- Russian: вс, пн, вт, ср, чт, пт, сб - notice that the list begins with вс (Sunday) even though the first day of week for Russian is Monday.
@override List<String> get narrowWeekdays => _narrowWeekdays;