Solution : https://service.sap.com/sap/support/notes/1614679 (SAP Service marketplace login required)
Key words :
maintainthe 2011/2012 fixed summer time rule, fixed summer time rules, daylight saving time starts, general settings -> time zones, summer time rules, daylight saving time, standard time deviates, standard time reason, standard changeover rule, time zone customizing
Related Notes :
| 198411 | Current data and information about time zones |