Passengers traveling by air from tokyo to san francisco hear the pilot announce that the plane is about to cross the international date line. their watches at that moment indicate that the correct local time is 2: 00 p. m. on monday. upon crossing the date line they should ) change their watches to 3: 00 p. m. on mondayb) change their watches to 1: 00 p. m. on mondayc) change their watches to 2: 00 p. m. on tuesdayd) change their watches to 2: 00 p. m. on sundaye) change their watches to 3.00 p. m. on tuesday