Solution : https://service.sap.com/sap/support/notes/1567359 (SAP Service marketplace login required)
Key words :
fixed summer time rules, general settings -> time zones, fixed summer time rule 2010/2011, daylight saving time rules, daylight saving time, winter time reason, time zone customizing, standard conversion rule, summer time, time zones
Related Notes :
| 198411 | Current data and information about time zones |