bro this is wht i suggest..
utc = 1200 hrs.
LMT 179W = 1200-1156 = 0004 hrs
LMT 179E = 1200 + 1156 = 2356 hrs.
so when u go from 179E to 179 W by crossing IDL you go to 0004 hrs which is almost 24 hrs behind time at 179E. thus you gain a day or substract a date..
Last edited by cvchetan; 12th Mar 2011 at 03:16.