ok, so first time incubating eggs !! AND IM SO CONFUSED ON WAT DAY IM ON !! if i set 6 eggs on may 14 at 7:30 P.M. , what day am i on, !! my original calender said day 15 but when i candled, they looked WAY underdeveloped if they were 15, and i think i was counting just days on the can=lender,not a whole 24 hours !! ugh someone help me please !!