twitter/bootstrap — pull request #910 by manveru (2012-01-06 12:16:34+00:00)
Title: Use `date` instead of `DATE`, that's the POS*X way.

There was a pull request for this in the past, but it conflated lots of other changes and never has been applied afaik.
Also, what platform does DATE work on? It's the first time I've seen it used.