Solution : https://service.sap.com/sap/support/notes/1151214 (SAP Service marketplace login required)
Key words :
general settings -> time zones, terms daylight saving time, variable summer time rules, daylight saving time, summer time rules, 2007/2008 summer time rule, 2008/2009 summer time rule, time zone customizing, 1 end day/mo, summer time
Related Notes :
198411 | Current data and information about time zones |