By Kemberley Washington, CPA, Bankrate.com (TNS) As the end of the year approaches, now’s the time to start preparing for filing your 2024 tax return in 2025. When it comes to tax strategies, generally Dec. 31 is the deadline to make changes that might lower your tax bill. One major exception is the deadline for contributing to a Roth or traditional IRA: You have until April 15, 2025, to make a contribution to a Roth or traditional IRA for tax year 2024.