Elon Musk said today during this X live stream that Starship test flight 7 “looks like it has been pushed about 3 or 4 days” from the the last mentioned date of January 10th.
So Starship Flight 7 launch date is now unofficially around January 13th or 14th and SpaceX has not posted an official launch date and time yet.
Elon Musk's Starship flight 7 comments are at the 13:32 mark in this live stream: