April 22, 2016 @ 12:00 am - April 23, 2016 @ 12:00 am Deposit payroll tax for payments on Apr 16-19 if the semiweekly deposit rule applies.
April 20, 2016 @ 12:00 am - April 21, 2016 @ 12:00 am Deposit payroll tax for payments on Apr 13-15 if the semiweekly deposit rule applies.
April 18, 2016 @ 12:00 am - April 19, 2016 @ 12:00 am Individuals: File Form 1040, 1040A, or 1040EZ. For automatic 6-month extension file Form 4868 and deposit estimated tax. Pay the first installment of 2016 estimated tax – Use Form 1040-ES.