BUG OR FEATURE?
IMHO, when specifying a date via --date="<date> + <offset>" and if
<date> is before "Sun Mar 31 03:00:00 UTC 1996" and "<date> + <offset>"
is after "Sun Mar 31 01:59:59 UTC 1996" then the time shown by
"date" is incorrect (by one hour):
[reimer@schwan reimer]$ date -u -d '1996-03-31 01:59:59 UTC 1 sec'
Sun Mar 31 03:00:00 UTC 1996
The following is o.k. ("<date> + <offset>" is before "Sun Mar 31
02:00:00 UTC 1996"):
[reimer@schwan reimer]$ date -u -d '1996-03-31 01:59:59 UTC 0 sec'
Sun Mar 31 01:59:59 UTC 1996
I noticed this behavior when trying to convert unix time to a date
string via "date" as documented in sh-utils.info (below I expect "Sun
Mar 31 02:00:00 UTC 1996" as result):
[reimer@schwan reimer]$ date -u -d '1970-01-01 UTC 828237600 sec'
Sun Mar 31 03:00:00 UTC 1996
[reimer@schwan reimer]$ date -d '1970-01-01 UTC 828237600 sec' +%s
828241200
The following is o.k. ("<date> + <offset>" is before "Sun Mar 31
02:00:00 UTC 1996"):
[reimer@schwan reimer]$ date -u -d '1970-01-01 UTC 828237599 sec'
Sun Mar 31 01:59:59 UTC 1996
[reimer@schwan reimer]$ date -d '1970-01-01 UTC 828237599 sec' +%s
828237599
******************* INFORMATION ***********************
"date" is from "sh-utils-2.0-13.i386.rpm" for RedHat Linux 7.1 (ix86).
"date" version:
[reimer@schwan reimer]$ date --version
date (GNU sh-utils) 2.0
Written by David MacKenzie.
Copyright (C) 1999 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE.
My machine architecture:
[reimer@schwan reimer]$ uname -s -r -v -m
Linux 2.4.3-12smp #1 SMP Fri Jun 8 14:38:50 EDT 2001 i686
Regards,
Wolfgang.
--
Wolfgang Reimer (Dr.-Ing.) Senior Software Developer
V P I S y s t e m s I n g e n i e u r g e s . m b H
phone : +49 30 398058-24 fax : +49 30 398058-58
mailto:[EMAIL PROTECTED] http://www.VPIsystems.com
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