Self employed

Not a silly question at all Michael!  From what I saw on the IRS website, the due date schedule is as follows:

 

Time

Quarter 1 (Jan.1-Mar.31)        Payment due Apr. 15th

Quarter 2 (Apr. 1-May 31)      Payment due Jun. 15th

Quarter 3 (Jun. 1-Aug. 31)     Payment due Sept. 15th

Quarter 4 (Sept. 1-Dec. 31)    Payment due Jan. 15th of following year