Why is Thursday represented by R?
R is just an arbitrary choice of a single character from the word “Thursday” so it isn’t confused with Tuesday or any other day-letter. It’s as good or bad as any other. H in handwriting might be confused with M for Monday, I suppose.
Can R be used for Thursday?
The abbreviation for the days of the week are: R = Thursday.
What day does R stand for?
ThursdayDays of the Week CodesMMondayRThursdayFFridaySSaturdayUSunday•Apr 12, 2556 BE