1.1;tz (timezone), revision 1.1, 81/06/27
TZ (TIMEZONE) -- Set or display system time zone.
usage: TZ [tz-name | utc_delta [new-tz] ]
FORMAT
TZ [ tz-name | utc_delta [new-tz] ]
TZ sets the system time zone to a known time zone or to an offset from
Coordinate Universal Time (UTC).
ARGUMENTS
If no arguments are specified, TZ displays the current setting.
tz-name
(optional) Specify new time zone. Valid names are:
Name Time Zone
EDT Eastern Daylight Time
EST Eastern Standard Time
CDT Central Daylight Time
CST Central Standard Time
MDT Mountain Daylight Time
MST Mountain Standard Time
PDT Pacific Daylight Time
PST Pacific Standard Time
GMT Greenwich Mean Time
UTC Coordinated Universal Time
Default if omitted: use 'utc_delta' argument
utc_delta
(optional) Specify positive or negative offset from UTC. The plus
sign is optional for positive offsets. Format for offset
is hh:mm (e.g., -10:00 for ten hours earlier than (west of)
Coordinated Universal Time). Only whole or half hour
offsets may be specified. Other fractional offsets produce
an error message.
Default if omitted: use 'tz-name' argument
new-tz
(optional) Specify new time zone name to be assigned to the zone
indicated by the 'utc_delta' argument. Use this argument
to create time zones that are not included in the list
above.
Default if omitted: no name assigned
EXAMPLES
$ TZ Display current time zone.
Timezone: EST
Delta from UTC: -5:00
$ TZ pdt Set time zone to Pacific Daylight Time
$ TZ 4:30 gst Create (and set) a time zone named GST
that is four and a half hours later
than (east of) Coordinated Universal
Time.