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.