What Is The Dosage Of Triphasil?

Hi, i just started using the birth control triphasil now , so i am a bit new to this. My period started on the 30th october and that was the 1st day that i started with the pill.I would just like to confirm on which date my next period would start as i am going on my honeymoon and would therfore like to know ,or hope that it would not take place during that time.your assitance would be greatly apreciated