getLocaleFirstDayOfWeek
First day of the week for this locale, based on english days (Sunday = 0, Monday = 1, ...). For example in french the value would be 1 because the first day of the week is Monday.
First day of the week for this locale, based on english days (Sunday = 0, Monday = 1, ...). For example in french the value would be 1 because the first day of the week is Monday.