It's a Holiday!

 It is VictoriaDay/lesPatriotes in Canada.HAPPY HOLIDAY! to all. I'm 

in good spirits, having just centered my numbers on the circle. One merely 

asks the font object to return the width and height of whatever text one is writing. 

divide by two and assign to the text, Voilà!

                                                                          *     *     *

I was trying too hard; it's actually rather simple...