Thank You!! But what if I execute this in a London timezone instead in my timezone?
On Thu, Oct 31, 2013 at 12:05 AM, Eric Blake <[email protected]> wrote: > On 10/30/2013 12:27 PM, urvashi singla wrote: > > Hi, > > If i execute following computation - > > > > Next=$(date +%Y%m%d --date="$User 1 day) > > > It gives correct result for all except for 20130927. For 20130927 it > gives > > 20130927 instead of next date i.e. 20130928 I don't understand why is > this > > so? Is this a bug? > > No, this is a manifestation of daylight savings. 20130927 happens to > have 25 hours in your timezone, but '1 day' only increments by 24 hours. > This is a FAQ; to get the behavior you desire, anchor your time to noon > rather than the default of midnight (so that even with the fuzz of > daylight savings causing 23- or 25-hour days, you still land in the > desired destination day). > > > https://www.gnu.org/software/coreutils/faq/coreutils-faq.html#The-date-command-is-not-working-right_002e > > -- > Eric Blake eblake redhat com +1-919-301-3266 > Libvirt virtualization library http://libvirt.org > >
