How to read 4 analog signals in the serial monitor "AT THE SAME TIME"

xJArduinox:
mmm, Does RTC stand for Real Time Clock? That's hardware, isn't it? I wouldn't like to integrate this on a circuit. Something easier ?? Maybe I can use the clock from my computer? I'll be login the data through the USB cable.
What function should I use in the code for Arduino ?
Thanks

Yes, RTC is a real time clock. If the data is getting sent through your computer, why not let the computer handle the time stamp?

mmm, yes , you are right. Then I'll need to use something like Gobetwino, as PeterH suggested me for my project at Fast boat rudder system optimization - Project Guidance - Arduino Forum
Do you know Gobetwino? Where can I find some help with this program, or forum, besides the examples and manual submited by its creator?

And yet, since I'm new on this and trying to learn, could I use the code or function "unsigned long" time to generate a time counter together with 3 analog inputs and 1 digital input? I read somewhere that this is not a reliable method, probably as you said. Any other non hardware solution in that case ?

Thank´s