Re: Conversion from UTC to specified Timezone

[Mike Miller]

On Thu, Nov 09, 2017 at 05:36:15 -0700, babelproofreader wrote:
> I am looking for a way to convert a UTC time, read from a text file in the
> format YYYY-MM-DD HH:MM:SS, to an equivalent time in a specified time zone,
> i.e. New York time (EST) or London time, taking into account daylight
> savings time when it is in effect. I am hoping there is a native Octave way
> of reading time zone info from /usr/share/zoneinfo/... to make such a
> conversion.

s = "2017-01-01 12:00:00";

setenv ("TZ", "UTC0");
t = mktime (strptime (s, "%Y-%m-%d %H:%M:%S"));
unsetenv ("TZ");  ## or setenv ("TZ", "Europe/London")
tm = localtime (t)
strftime ("%Y-%m-%d %H:%M:%S", tm)

-- 
mike

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