April 4... Daylight Saving time begins

April 13 ... Vaisakhi (Sikh) ...

April 21 - May 2 ... Ridvan (Bahai) ...

April 21 ... Mawlid al Nabi (Islam) ...

April 24 ... Wesak (Buddhist) ...

April 24 - May 1 ... Pesach (Passover) (Jewish) ...

April 29 ... Good Friday (Orthodox) ...