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1.  Why do you suffer jet lag if you take a long east-west flight?

2.  Answer BOTH questions below in the space provided:

A.  What is a "chronometer"?

B.  To what time is the ship's chronometer usually set?

3.  What do A.M. and P.M. mean?

4.  Why do the Navy and other armed services use the twenty-four-hour clock?

5.  What time would it be on the twenty-four-hour clock for the following times?

A.  8:30 A.M.

B.  5:45 P.M.

C.  11:15 P.M.

D.  Midnight

6.  Answer ALL THREE questions below in the space provided:

A.  How did telling time by ship's bell originate?

B.  What is the maximum number of bells struck?

C.  How many bells would be struck by the watch at 0200, 1030, 1600 and 1930?

7.  What is the basic relationship between longitude (arc) and time?

8.  Answer BOTH questions below in the space provided:

A.  Why does the length of each day vary slightly?

B.  How do we make up this variation on the calendar?

9.  What is "mean solar" time?

10.  Answer BOTH questions below in the space provided:

A.  How have people made time setting and time keeping more practical?

B.  How many degrees are in each time zone at sea?

11.  How is each time zone identified?

12.  How does the International Date Line define the time on each side of the 180th meridian?

13.  What is daylight savings time?

14.  What are the four standard time zones in the continental United States?  Identify each with its numerical and alphabetical ZD.

15.  What is the zone description (ZD) of Greenwich?

16.  Change the following zone times to Greenwich mean times.

A.  1200 at San Francisco (ZD = +8)

B.  1700 at Norfolk (ZD = +5)

C.  0600 at Rome, Italy (ZD = -1)

17.  Change the following Greenwich mean times to zone times at each of the three locations in the previous question.

A.  GMT 0800

B.  GMT 1600

18.  What are the date/time groups for the following?

A.  0835 local time in Norfolk, Virginia, on 23 March 2003?

B.  7:30 P.M. in San Diego, California, on 17 May, 2003?