On 07/24/2018 08:00 AM, Robert MacGrogan wrote:
I'm definitely seeing incorrect behavior when I test dates in July of 2018.
How exactly are you testing that? Are you using the data installed by your distributor, or the actual 2018e data? What happens when you do this from tzdb 2018e source? rm -fr /tmp/tz make clean make TOPDIR=/tmp/tz install ./zdump -Vc 2018,2019 America/Grand_Turk Here's the output that I get. If you get something different, please investigate. America/Grand_Turk Sun Mar 11 06:59:59 2018 UT = Sun Mar 11 02:59:59 2018 AST isdst=0 gmtoff=-14400 America/Grand_Turk Sun Mar 11 07:00:00 2018 UT = Sun Mar 11 03:00:00 2018 EDT isdst=1 gmtoff=-14400 America/Grand_Turk Sun Nov 4 05:59:59 2018 UT = Sun Nov 4 01:59:59 2018 EDT isdst=1 gmtoff=-14400 America/Grand_Turk Sun Nov 4 06:00:00 2018 UT = Sun Nov 4 01:00:00 2018 EST isdst=0 gmtoff=-18000