Longitude and Time Worksheet
1. Calculate the local time for the following locations B and the Prime Meridian:
40 W Longitude
0 Prime Meridian
City B Time = ________
Time = __________
50 E. Longitude
City A Time = 12:00 AM
a. From the prime meridian to location A, the distance in degrees is ___________.
b. From the prime meridian to location B, the distance in degrees is ___________.
c. Therefore, the total distance from location A to location B in degrees is ________________.
d. Convert the difference in degrees into time. _______________________
e. If every 15° is equivalent to 1 hour, how many hours are in 90°? _________
f.
The fact that location B is west of location A indicates that it must be earlier at location B than location A.
(True/False) ____________
g. If the time at location A is 12:00AM, what is the time at location B? _________________
Q2. Solve the following questions
i.
ii.
iii.
iv.
v.
vi.
vii.
viii.
ix.
x.
It is 3:00 PM on Tuesday at 90 degrees west longitude. What time is it at 90 degrees east?
It is 5:00 AM on Friday at 0 degrees longitude. What time is it at 90 degrees east?
It is 3:00 PM on Tuesday at 135 degrees east longitude? What time is it at 150 degrees west?
It is 12:00 AM on Sunday at 90 degrees west longitude. What time is it at 180 degrees east?
It is 7:00 AM on Wednesday at 75 degrees west longitude. What time is it at 135 degrees east?
It is 10:00 AM on Monday at 120 degrees west longitude. What time is at 0 degrees?
It is 12:00 PM on Saturday at 135 degrees west. What time is it at 90 degrees east?
It is 10:00 AM on Thursday at 135 degrees west longitude. What time is it at 60 degrees west?
Find out the time at Tokyo at 140O East longitudes when the time at Mumbai located at 73O East is 11
pm .
Calculate the longitude of a ship whose navigation officer observes that GMT is 16.30 hrs when the local
time is noon .
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