I cannot repeat the same scenario at i686, I cannot set year 2280 at i686 system.
AMD64:
$ date 110300102280
Wed Nov 3 00:10:00 UTC 2280
$ ntpdate -v ntp.ubuntu.com; date
20 Nov 11:37:01 ntpdate[14368]: ntpdate 4.2.4p4@1.1520-o Fri Mar 7 20:36:59 UTC 2008 (1)
20 Nov 11:37:01 ntpdate[14368]: adjust time server 91.189.94.4 offset -0.008843 sec
Sat Nov 20 11:37:01 UTC 2280
i386:
$ date 110300102280
date: invalid date '110300102280'
I cannot repeat the same scenario at i686, I cannot set year 2280 at i686 system.
AMD64:
$ date 110300102280
Wed Nov 3 00:10:00 UTC 2280
$ ntpdate -v ntp.ubuntu.com; date
20 Nov 11:37:01 ntpdate[14368]: ntpdate 4.2.4p4@1.1520-o Fri Mar 7 20:36:59 UTC 2008 (1)
20 Nov 11:37:01 ntpdate[14368]: adjust time server 91.189.94.4 offset -0.008843 sec
Sat Nov 20 11:37:01 UTC 2280
i386:
$ date 110300102280
date: invalid date '110300102280'