A. Sure, consider the following example:
Roth IRA Contribution
If your income qualifies, you can Contribute $5,500 to your Roth IRA account for the current tax year, with the deadline of such contribution being April 15 of the following year.
Roth IRA Conversion
If you have a Traditional IRA, you can Convert some or all of the funds in your Traditional IRA account to a Roth IRA account, but the deadline to do so is December 31 of the current tax year.