I'm hoping they add additional options - like US Holidays (which are probably actually locale controlled), other religions (Hindu, Hebrew, Arabic, etc.), and the ability to add in your own calendar sets from this interface.
The issue is with trying to set the time updater settings.
EDIT: Added the following:
It was @martyfelker who mentioned it - see
Thank you. I do believe I was the first to point this time sync bug. It is serious. Many corporations for one thing will be dubious about an OS that can't sync to NIST without the aid of a third party app. I am using SPTimeSync which is free and works perfectly.