Pay your estimated tax for 2018 using Form 1040-ES. You have until April 15 to file your 2018 income tax return (Form 1040). If you do not pay your estimated tax by January 15, you must file your 2018 return and pay any tax due by March 1, 2019, to avoid an estimated tax penalty.
File your 2018 income tax return (Form 1040) and pay any tax due. However, you have until April 15 to file if you paid your 2018 estimated tax by January 15, 2019.
July 4 — Everyone
Federal Holiday (Independence Day) Details
July 10 — Employees who work for tips
If you received $20 or more in tips during June, report them to your employer Details
July 15 — Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in June.
July 31 — Social security, Medicare, and withheld income tax
File Form 941 for the second quarter of 2018. Deposit or pay any undeposited tax under the accuracy of deposit rules.