Am I reading it correctly that since the Fed is still processing three is no impact to funds availabliity this year?

That is correct.

There are now five federal legal holidays defined by date -- New Year's Day, January 1; Juneteenth National Independence Day, June 19; Independence Day, July 4; Veterans Day, November 11; and Christmas Day, December 25 -- that can fall on Saturday or Sunday. When they fall on Saturday, the Federal Reserve Board offices close on the Friday before, but Federal Reserve operations do not close. When they fall on Sunday, the full Federal Reserve System closes to observe the holiday on Monday.

The Federal Reserve Board has updated its official K-8 schedule of Holidays Observed at https://www.federalreserve.gov/aboutthefed/k8.htm to add Juneteenth. Next year, it will fall on Sunday, and the Federal Reserve Banks (including Federal Reserve Systems) will be closed on Monday, June 20, and, whether your bank is open or not for business, June 20 will not be a business day under Regulation CC.

Inauguration Day is also a federal holiday on January 20 following each presidential election, but only within the District of Columbia and some abutting counties in adjacent states. If it falls on Sunday, the president is typically sworn in on the 20th in a private ceremony, and the observance takes place on Monday. However, it is found in another paragraph of the law, and doesn't factor into the "precise business day" definition.

I wish we could link graphics. I feel this is the perfect spot for a "The More You Know" GIF.