> I'm confused about tz_hour and tz_minute. Are the regular 'hour' and
> 'minute' time zone asensitive?
Regular hour and minute arguments return values interpreted in the
currently valid time zone, except for types which have no affiliated
time zone (e.g. "time").
tz_hour and tz_minute return the hour and minutes fields of the current
time zone, or stored time zone for the timetz type.
- Thomas
