You can find when your SAP system is start and shutdown time via:
Transaction code AL11
1. Execute transaction code AL11, go \usr\sap\SID\DVEBMGSxx\work under DIR_HOME directory parameter.
2. For SAP start time, look for sapstart.log file. Double click on it.
Directory: \usr\sap\SID\DVEBMGSxx\work Name: sapstart.log SAP-R/3-Startup Program Starting at 2011/12/01 19:07:19 Startup Profile: "C:\usr\sap\SID\SYS\profile\START_DVEBMGSxx" Starting Programs ...
3. For SAP stop time, look for stopsap.log. Double click on it.
4. You can also find the start and stop time via available.log
Unavailable 12.01.2012 16:41:47 - 12.01.2012 16:43:17 Unavailable 12.01.2012 16:47:44 - 12.01.2012 16:57:29 Available 12.01.2012 16:58:29 - 15.01.2012 05:32:29 Available 15.01.2012 05:34:39 - 15.01.2012 05:35:39 Available 15.01.2012 05:37:57 - 15.01.2012 19:06:58
