Congratulations to: JohnnyTheOne (29 on Sun 19th Sep), nGAGE™ (35 on Thu 30th Sep), musta (35 on Wed 29th Sep), Bingle (40 on Fri 17th Sep)
Additional notes about the calendar
Week numbers relate to the week from monday onwards. Because you have your calendar set to display week days starting from Sunday, The Sunday of each week will be from the previous week number