diff options
Diffstat (limited to 'zic.8')
-rw-r--r-- | zic.8 | 13 |
1 files changed, 10 insertions, 3 deletions
@@ -122,7 +122,7 @@ is any already-existing link is removed. .TP .BR "\*-r " "[\fB@\fP\fIlo\fP][\fB/@\fP\fIhi\fP]" -Reduce the size of output files by limiting their applicability +Limit the applicability of output files to timestamps in the range from .I lo (inclusive) to @@ -134,6 +134,10 @@ and are possibly-signed decimal counts of seconds since the Epoch (1970-01-01 00:00:00 UTC). Omitted counts default to extreme values. +The output files use UT offset 0 and abbreviation +.q "\*-00" +in place of the omitted timestamp data; +this typically reduces the files' sizes. For example, .q "zic \*-r @0" omits data intended for negative timestamps (i.e., before the Epoch), and @@ -523,8 +527,8 @@ begin the field with a minus sign if time must be subtracted from UT. .B RULES The name of the rules that apply in the timezone or, alternatively, a field in the same format as a rule-line SAVE column, -giving of the amount of time to be added to local standard time -effect, and whether the resulting time is standard or daylight saving. +giving the amount of time to be added to local standard time +and whether the resulting time is standard or daylight saving. If this field is .B \*- then standard time always applies. @@ -559,6 +563,9 @@ alphanumeric ASCII characters, .q "+" and .q "\*-". +By convention, the time zone abbreviation +.q "\*-00" +is a placeholder that means local time is unspecified. .TP .B UNTIL The time at which the UT offset or the rule(s) change for a location. |