timezone.vim

let s:reg_path = 'HKLM\System\CurrentControlSet\Control\TimeZoneInformation'

function! s:GetTimeZoneName()
  let res = system(printf("reg query %s /v StandardName | findstr REG_SZ", s:reg_path))
  return split(substitute(res, '\n', '', 'g'), '\s')[2]
endfunction

function! s:GetTimeZoneOffset()
  let res = system(printf("reg query %s /v Bias | findstr REG_DWORD", s:reg_path))
  return -(split(res, '[ \t\n]\+')[2] / 60)
endfunction

"echo s:GetTimeZoneName()
"echo s:GetTimeZoneOffset()

You Cool!!