Solution : https://service.sap.com/sap/support/notes/369370 (SAP Service marketplace login required)
Key words :
ora<sid> und <sid>adm, additional key words zdate_large_time_diff, sap operating system user, correct tz environment variable, time zone environment variable, unix date command, specific time zone, oracle tns listener, oracle shadow processes, tz environment variable
Related Notes :
| 1571062 | Changing the Timezone for an Oracle RAC Database |