How can a Windows program temporarily change its time zone?

Question

I\'ve written a function to return the time_t value corresponding to midnight on a given day. When there is no midnight for a given day, it returns the earliest tim

Answer 1

I have exactly the same requirement:

->some processes must be stuck to UTC and others to some timezone different from the Windows system timezone

After months of (interrupted) study I fall to the conclusion that on Windows it is only possible to set "UTC" or "current" system time zone. So only the following may be done:

     - set TZ="UTC" 
     - unset TZ