Fix daylight savings time test for non-EST/EDT zones
Fix daylight savings time test for non-EST/EDT zones

time.Parse("Mon Jan 2 15:04 2006 MST", "Sun Mar 11 00:00 2012 EST") in
non-EST/EDT zone returns +0000 as offset. Changed to use ISO 8601 format
with a location set to America/New_York.

sunjian1/cron-1,gogs/cron,justintung/cron,niean/cron,recadra/cron,koolhazz/cron,yyljlyy/cron,starchou/cron,revel/cron,shaalx/cron,ricardolonga/cron,breml/cron,andrew-d/cron,zj8487/cron,runner-mei/cron,ppegusii/cron,auroratechnologies/cron,jesusslim/cron,robfig/cron,elgs/cron,kucuny/cron,bdryanovski/cron,dayed/cron,toolkits/cron,trigrass2/cron,jakecoffman/cron