For time to start:
@echo off
ping -n 1 -w 1000 1.1.1.1 >nul
echo 3 seconds...
echo.
ping -n 2 -w 1000 1.1.1.1 >nul
echo 2 seconds...
echo.
ping -n 2 -w 1000 1.1.1.1 >nul
echo 1 second...
echo.
ping -n 2 -w 1000 1.1.1.1 >nul
echo.
echo Starting program now!
REM Add your code here.
pause
No 100% exact, but close enough. You could also try WAIT, which you can download somewhere (don't know the link, and can't upload because it's .exe)