A signed time telling the offset of the time zone westwards from Greenwich.
The time has the form
.I hh[:mm[:ss]]
-with a one of two digit hour, and optional two digit minutes and seconds.
+with a one or two digit hour, and optional two digit minutes and seconds.
.TP
.I dst
The name of the time zone when daylight saving is in effect. It may
Greenwich Mean Time:
.PP
.RS
-.B TZ=GMT0
+.B TZ='GMT0'
.RE
.PP
Central European Time, 1 hour east from Greenwich, daylight saving starts on
but in an earlier time zone:
.PP
.RS
-.B TZ=GMT0BST,M3.5.0/1,M10.5.0/2
+.B TZ='GMT0BST,M3.5.0/1,M10.5.0/2'
.RE
.PP
The eastern european time zones also have the changeovers at the same
absolute time as British time and CET.
.PP
U.S. Eastern Standard Time, 5 hours west from Greenwich, daylight saving
-starts on the second Sunday in March at 2 AM and ends on the first Sunday
-in November at 2 AM:
+starts on the second Sunday in March at 2 AM and ends on the first Sunday in
+November at 2 AM:
.PP
.RS
-.B TZ=EST5EDT,M3.2.0/2,M11.1.0/2
+.B TZ='EST5EDT,M3.2.0/2,M11.1.0/2'
.RE
.PP
It shouldn't surprise you that daylight saving in New Zealand is observed
Sunday in October at 2 AM and ends on the third Sunday in March at 3 AM:
.PP
.RS
-.B TZ=NZST\-12NZDT,M10.1.0/2,M3.3.0/3
+.B TZ='NZST\-12NZDT,M10.1.0/2,M3.3.0/3'
.RE
.SH "SEE ALSO"
.BR readclock (8),
Next year's time zone and daylight saving time are determined by politicians.
.SH AUTHOR
Kees J. Bot (kjb@cs.vu.nl)
+
+.\" corrected for US/Canada 2007 changes by ASW 2007-02-20