Solution : https://service.sap.com/sap/support/notes/1080797 (SAP Service marketplace login required)
Key words :
daylight saving time reason, daylight saving time rules, variable summer time rules, call transaction stzbc -, maintain time zones, end day/mo, time zones, start time, 00 end month, start date
Related Notes :
198411 | Current data and information about time zones |