LONGITUDE AND TIME 187 



31. When it is noon in your time belt, is it earlier or later than true noon 

 in your own town? 



32. Examine the globe for the International Date-line, where the day 

 is assumed to begin. Near what meridian is it? 



33. What advantage is there in having the day begin where it does? 



34. Can you account for the irregularities noticed in the date line? 



35. Suppose you were traveling around the earth toward the east. 

 After you had gone fifteen degrees, would you see the sun an hour earlier 

 or an hour later than in your first position. 



36. Would you have lost or gained an hour? 



37. What would be the gain or loss in going entirely around the 

 earth? 



38. Suppose you had gone around the earth toward the west. Would 

 you have lost or gained a day? 



39. The loss or gain of a day in going around the earth is adjusted 

 at the international date-line by adding or dropping a day. If you 

 should reach this line on the day before your birthday or other holiday, 

 which way would you prefer to be traveling? 



40. What would be the effect if you were traveling in the opposite 

 direction? 



41. Would this have any effect on your age? 



42. Can you explain how it is possible for an event to happen on 

 Monday in Japan and be known to us the Sunday before? 



43. Why would a man at the north pole be unable to tell time by the 

 sun? 



