On 8/12/22 10:55, Deborah Goldsmith wrote:
zdump only works on zoneinfo files that have been installed
zdump should work on any file name beginning with "/", even if it's not installed. On Ubuntu: $ cp /usr/share/zoneinfo/right/America/Los_Angeles /tmp/xxx $ zdump -V -c 2017,2018 /tmp/xxx /tmp/xxx Sat Dec 31 23:59:60 2016 UT = Sat Dec 31 15:59:60 2016 PST isdst=0 gmtoff=-28800 /tmp/xxx Sun Jan 1 00:00:00 2017 UT = Sat Dec 31 16:00:00 2016 PST isdst=0 gmtoff=-28800 /tmp/xxx Sun Mar 12 09:59:59 2017 UT = Sun Mar 12 01:59:59 2017 PST isdst=0 gmtoff=-28800 /tmp/xxx Sun Mar 12 10:00:00 2017 UT = Sun Mar 12 03:00:00 2017 PDT isdst=1 gmtoff=-25200 /tmp/xxx Sun Nov 5 08:59:59 2017 UT = Sun Nov 5 01:59:59 2017 PDT isdst=1 gmtoff=-25200 /tmp/xxx Sun Nov 5 09:00:00 2017 UT = Sun Nov 5 01:00:00 2017 PST isdst=0 gmtoff=-28800