diff options
Diffstat (limited to 'bin')
| -rw-r--r-- | bin/date/date.1 | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/bin/date/date.1 b/bin/date/date.1 index 496f197..d1cbb44 100644 --- a/bin/date/date.1 +++ b/bin/date/date.1 @@ -32,7 +32,7 @@ .\" @(#)date.1 8.3 (Berkeley) 4/28/95 .\" $FreeBSD$ .\" -.Dd June 2, 2007 +.Dd June 3, 2010 .Dt DATE 1 .Os .Sh NAME @@ -219,6 +219,14 @@ When the date is adjusted to a specific value that occurs twice the resulting timezone will be set so that the date matches the earlier of the two times. .Pp +It is not possible to adjust a date to an invalid absolute day, so using +the switches +.Fl v No 31d Fl v No 12m +will simply fail five months of the year. +It is therefore usual to set the month before setting the day; using +.Fl v No 12m Fl v No 31d +always works. +.Pp Adjusting the date by months is inherently ambiguous because a month is a unit of variable length depending on the current date. This kind of date adjustment is applied in the most intuitive way. @@ -339,9 +347,9 @@ will display the last day of February in the year 2000: .Pp .Dl "Tue Feb 29 03:18:00 GMT 2000" .Pp -So will do the command: +So will the command: .Pp -.Dl "date -v30d -v3m -v0y -v-1m" +.Dl "date -v3m -v30d -v0y -v-1m" .Pp because there is no such date as the 30th of February. .Pp |
