Solving EM daylight issues

When your sysadmins change the TZ from your Oracle server to adjust daylight, follow the steps here to correct EM hour. By example, in Rio de Janeiro the normal time zone is equivalent to Etc/GMT+3. This solutions works for my production environment without patching anything. 1. Setting TZ environment variable TZ=Etc/GMT+3 export TZ 2 –[…]