"Jehovah’s Witnesses do not celebrate birthdays because we (the G.B.) believe that such celebrations displease God."
https://www.jw.org/en/jehovahs-witnesses/faq/birthdays/
Commemorating the birth of a child or loved one will soon be made a "matter of conscience" - thanks to "prayerful consideration" by the Guardians of Doctrine (G.O.D.S.) at Warwick, N.Y.
Oh joy! 😄