Thanks. May use that as a crude approach for now... although what it'll be like in a bash script when I'm far from a bash wizard is anyone's guess :)

Jon

On 30 April 2016 at 13:27, Howard Hinnant <howard.hinnant@gmail.com> wrote:

On Apr 30, 2016, at 3:39 AM, Jon Skeet <skeet@pobox.com> wrote:
>
> I could parse the content of http://www.iana.org/time-zones, but that doesn't feel like a very robust approach :)
>

That’s exactly what I ended up doing:

https://github.com/HowardHinnant/date/blob/master/tz.cpp#L1937-L1971

Howard