<span class="time" data-tz="Europe/Moscow" data-format="%H:%i:%s">20:42</span>

MsgBox, % GetTimeFromTime100ru(3, "HH:mm:ss")

GetTimeFromTime100ru(localTimeOffset := 0, formatString := "") {
   static url := "https://time100.ru/api.php"
   unixTime := GetResponseText(url,,,, error)
   if error
      throw error
   Return UnixTimeToLocal(unixTime, localTimeOffset, formatString)
}

GetResponseText(url, method := "GET", HeadersArray := "", body := "", ByRef error := "") {
   Whr := ComObjCreate("WinHttp.WinHttpRequest.5.1")
   Whr.Open(method, url, true)
   for name, value in HeadersArray
      Whr.SetRequestHeader(name, value)
   Whr.Send(body)
   Whr.WaitForResponse()
   status := Whr.status
   if (status != 200)
      error := "HttpRequest error, status: " . status
   Arr := Whr.responseBody
   pData := NumGet(ComObjValue(arr) + 8 + A_PtrSize)
   length := arr.MaxIndex() + 1
   Return StrGet(pData, length, "UTF-8")
}

UnixTimeToLocal(unixTime, diff, formatStr := "") {
   time := "19700101"
   time += unixTime, s
   time += diff, h
   if formatStr
      FormatTime, time, % time, % formatStr
   Return time
}

localTimeOffset := A_Now
localTimeOffset -= A_NowUTC, h
MsgBox, % localTimeOffset

HTTP := ComObjCreate("WinHTTP.WinHTTPRequest.5.1")
HTTP.Open("GET", "http://ya.ru")
HTTP.Send()
MsgBox, % HTTP.ResponseText

HTTP := ComObjCreate("WinHTTP.WinHTTPRequest.5.1")
HTTP.Open("GET", "https://time100.ru/")
HTTP.Send()
MsgBox, % HTTP.ResponseText