36 



OUR OWN WORLD 



dian, let us suppose it is high noon of Sunday at Greenwich. 

 For every 15 degrees west of that point it will be an hour 

 earlier, until at the 180th meridian it will be midnight of 

 Saturday. For every 15 degrees east of Greenwich it will 



MAP SHOWING INTERNA.TIONAL DATE LINE (Dotted line) 



In the northern hemisphere, the Date Line varies from the 180th meridian 

 so as to divide Asia from North America ; in the southern hemisphere, 

 so as to include certain English dependencies with Australia and New 

 Zealand. 



be an hour later, until at the 180th meridian it will be mid- 

 night of Sunday. 



Thus, on one side of this line it would be Saturday mid- 

 night, and on the other side Sunday midnight. This repre- 

 sents the actual state of affairs. The 180th meridian, which 



