Solution : https://service.sap.com/sap/support/notes/102088 (SAP Service marketplace login required)
Summary :
SAP Note addresses the issue of system downtime during the transition from daylight saving to standard time. It specifically aims to reduce the downtime from approximately two hours to about one hour. The note explains that runtime errors such as "ZDATE_LARGE_TIME_DIFF" often occur due to the repeated "double hour" during the time switch. To mitigate this, it recommends shutting down the SAP system during this period. For precise timing on when to deactivate the system, the note suggests utilizing a utility program called "endofdst." Also, for systems using kernel 6.40 or higher, it advises setting the profile parameter zdate/DSTswitch_contloctime to off.
Key words :
technically identical local time settings, c-runtime library functions, identical local time zone, adopt daylight saving time, daylight saving time ends, daylight saving time offset, local time zone, daylight saving time, zdate/dstswitch_contloctime = offyou, standard time starts
Related Notes :
| 1454474 | 0FI_GL_14: Problems with change to daylight saving time |
| 1375438 | Globalization Collection Note |
| 1119698 | Error in profile parameter zdate/DSTswitch_contloctime |
| 950114 | Profile parameter zdate/DSTswitch_contloctime |
| 438660 | End of daylight-saving time coming soon, be ready! |
| 398374 | Problems when converting summer time <-> winter time |
| 391658 | iSeries: Daylight saving time/standard time change |
| 161837 | Manual change from winter to summer time |
| 157704 | Change dayl. sav.time/std.time and loc.crcy chang. |
| 139669 | Time synchronisation in NT Domain Time Server Net Time |
| 15913 | Timezone problems (local vs. global time) |
| 7417 | Conversion between standard time and daylight saving time |