Hi all, As far as I know, current Java releases use 32bit tzdata (effective between 1901-12-13T20:45:52Z and 2038-01-19T03:14:07Z) and offsets returned by java.util.TimeZone for dates before 1900 does not match the tz database in many cases. Does JSR-310 project introduce 64bit tzdata support? Thanks, Yoshito