> I ignored what the officially named format was You ignored the officially named format and instead settled on the officially named format. Those are ISO8601

> I ignored what the officially named format was You ignored the officially named format and instead settled on the officially named format. Those are ISO8601 timestamps, specified in UTC time. (The Z at the end means there's (Z)ero timezone offset from UTC). If you're going to talk about a standard, its worth knowing its name.