Got the codes from -here- and I added other things to make sure that the alignment and spaces match my blog:
To adjust the placing of the date header itself so that it's aligned with my post title, I added these below the date header codes (h2):
And to adjust the placing of the month and date inside the calendar icon, I added this to the .month block:
And, that's it! You can go ahead and try it out for your own blog!