On 26 Oct 2017, at 17:45, Chris Barker <chris.barker@noaa.gov> wrote:This is a key point that I hope is obvious:If an ISO string has NO offset or timezone indicator, then a naive datetime should be created.(I say, I "hope" it's obvious, because the numpy datetime64 implementation initially (and for years) would apply the machine local timezone to a bare iso string -- which was a f-ing nightmare!)