Automatic updation of time streams

Hi All,

We are looking for a functionality where timestreams are automatically updated once the factory calendars are changed.

I could see follwoing SAP Notes which suggest for different programs for the purpose:

SAP Note Program

1130778 ZZ_TIMESTREAMS_CALC_PERIODS

1421812 ZZTSTRREGENERATE

Please suggest the difference between the 2. We are using SCM 7.0

regards,

Mohit Goyal