"up to date" is correct and usable in written English.
You can use it when referring to information that has been recently updated or is the most current. Example sentence: I try to stay up to date about current events so that I am informed when I discuss them with others.
It's terrible that people aren't being kept up to date about their own health.
Gaga's meeting with Assange was heavily plugged by WikiLeaks, which urged supporters to join protests outside the embassy and kept them up to date about Gaga's arrival.
As she kept up to date about the presidential race back home, Meredith Wheeler noticed a recurring theme in the press coverage of Barack Obama, her favorite candidate.
Abdeslam was not "up to date" about the Brussels attacks, his attorney, Sven Mary, told the Europe 1 radio network on Thursday.
Students are continually kept up to date about fellowship deadlines, department events, and upcoming courses.
Once you've registered interest, you'll also be kept up to date about all forthcoming Connected Studio events.
A good one may be more up-to-date about the side effects of particular drugs than physicians have time to be.
How he manages to be so up-to-date about the Test match between England and Australia as well is beyond me.
Conventional brokers questions whether services like Your Home Direct maintain large enough staffs of knowledgeable brokers to keep customers up-to-date about local market conditions.
According to a survey of 756 registered voters by Poll Position, 43.3 percent who said they were up-to-date about Tebow believed that divine intervention was partly responsible for his success.
Nothing's flashy or up-to-date about Randolph Market Cafe, 1235 West Randolph, (312) 226-8227, but the food -- like the linguini primavera ($6.25), for example -- is good, just as it was 50 years ago.
