method

zone

v1_9_1_378 - Show latest stable - 0 notes - Class: Time

zone() public

Returns the name of the time zone used for time. As of Ruby 1.8, returns “UTC” rather than “GMT” for UTC times.

t = Time.gm(2000, "jan", 1, 20, 15, 1)
t.zone   #=> "UTC"
t = Time.local(2000, "jan", 1, 20, 15, 1)
t.zone   #=> "CST"

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static VALUE
time_zone(VALUE time)
{
    struct time_object *tobj;
#if !defined(HAVE_TM_ZONE) && (!defined(HAVE_TZNAME) || !defined(HAVE_DAYLIGHT))
    char buf[64];
    int len;
#endif
    
    GetTimeval(time, tobj);
    if (tobj->tm_got == 0) {
        time_get_tm(time, tobj->gmt);
    }

    if (tobj->gmt == 1) {
        return rb_str_new2("UTC");
    }
#if defined(HAVE_TM_ZONE)
    return rb_str_new2(tobj->tm.tm_zone);
#elif defined(HAVE_TZNAME) && defined(HAVE_DAYLIGHT)
    return rb_str_new2(tzname[daylight && tobj->tm.tm_isdst]);
#else
    len = rb_strftime(buf, sizeof(buf), "%Z",
                      &tobj->tm, &tobj->ts, tobj->gmt);
    return rb_str_new(buf, len);
#endif
}

zone

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