Dates are arbitrary.
Whether you plan or not, you are going to live the rest of the year.  It’s up to you how you want it to turn out.
Let’s say it will take you two weeks to work on this. Nay! Let’s say it takes the whole month of January. I’ll wager that it’s better to have 11 focused months than 12 unfocused ones.
If you want some inspiration, I suggest you read about the Life Calendar.
This article is part of the series on New Year’s Resolutions.