Solution : https://service.sap.com/sap/support/notes/1260674 (SAP Service marketplace login required)
Key words :
component bc-srv-tim-tz, sap netweaver application server, daylight saving time rules, profile parameter abap/tzbuffer_lifetime, abap statement convert timestamp, generally implement notes, time zone settings, work process notes, time zone customizing, convert timestamp
Related Notes :
1165982 | Changes to time zone settings at operating system level |
1131538 | Summer time in Australia as of 2008 |