Oh, apparently because of the round zeros in "00:00:00.00"? I was first expecting that this would be something weird like Netscape's HTML color parser acceptin

Oh, apparently because of the round zeros in "00:00:00.00"? I was first expecting that this would be something weird like Netscape's HTML color parser accepting arbitrary text with an idiosyncratic and surprising interpretation of some of the bits in it. But in this case, this is actually the keyword that the developers chose for this.