
'Tis a Long, Long Way to Tipperary!
Data Sheet #2
Calculating Longitude and Time


(a) From the prime meridian to City A, the distance in degrees is ___________.
(b) From the prime meridian to City B, the distance in degrees is ___________.
(c) Therefore, the total distance from City A to City B in degrees is _________.
(d) Convert degrees apart into time apart. ____________________________
(e) If every 15° is equivalent to 1 hour, how many hours are in 90°? _________
(f) City B is west of City A. Therefore it must be earlier in City B than City A. If the time in City A is midnight, what is the time in City B? _________________


