Milliseconds with DateTime

I have a file of paper traded orders that I'm trying to map to tick data. I'm currently splitting up the order date and time into

I guess you mean what DateTime() function returns, correct? If so, the result holds date and time down to seconds in packed binary format. If you need milliseconds and microseconds you need to use those functions
http://www.amibroker.com/guide/afl/millisec.html
http://www.amibroker.com/guide/afl/microsec.html

I apologize for the half-assed post. I didn't mean to send it, nor was I aware that I did as I wasn't finished writing it.