27
T
HE
GMT
FUNCTION
The GMT (Greenwich Mean Time) system, also known as universal time and
adopted throughout the world, divides the terrestrial globe into 24 one-hour
sections (time zones), each equivalent to 15° of longitude. The Greenwich
meridian was taken as the fundamental reference meridian for the localization
of time zones by the international conferences held in Rome in 1883 and in
Washington in 1884.
Starting from meridian zero (or Greenwich meridian), 24 time zones have been
defined, from 0 to +12 towards the east, and from 0 to -12 towards the west.
The zero meridian has a very important function for sailors: the time at
Greenwich is the reference for the calculations which enable the longitude at
sea to be determined, and thus the establishment of the ship’s exact position.
The GMT function of your Panerai watch enables the local time and the time
in another country (home time) to be read at the same time.
S
ETTING THE SECOND TIME ZONE
1. Unscrew the winding crown
(A)
and pull it out to the first click
(position 1)
.
In this position the local time hour hand
(B)
moves forward or backward in
steps of one hour without moving the minutes hand
(C)
.
2. Set the local time required. The local time hour hand
(B)
will indicate the
local time, that is, the time in the place where it is located at that moment.
3. Push back the winding crown
(A)
to the initial position
(0)
and screw it down
again.
The hand of the second time zone
(F)
will indicate the home time, that is,
the time in the country of origin. This hand moves at the same rate as the
local time hour hand
(B)
, carrying out a complete revolution in 12 hours. At
9 o’clock, on the small seconds dial
(E)
, a further hand
(G)
displays the GMT
time divided into 24 hours, to avoid possible confusion between morning
and afternoon of the home time.
26
TIME DIFFERENCES IN RELATION TO GREENWICH
0
-10 -9
+11
-12 -11
-8
-7
-6
-5
-4
-3
-2
-1
+1
+2
+3 +4
+5
+6
+7
+8
+9 +10
+12
Abu Dhabi
+2
Adelaide
+9
Algiers
+1
Ankara
+3
Athens
+1
Baghdad
+3
Bangkok
+7
Beijing
+8
Berlin
+1
Bern
+1
Buenos Aires
-4
Cairo
+2
Chicago
-6
Dakar
0
Delhi
+5
Denver
-7
Hong Kong
+8
Johannesburg
+2
London
0
Los Angeles
-8
Madrid
+1
Mexico City
-6
Moscow
+3
Nairobi
+3
New York
-5
Ottawa
-5
Panama
-6
Paris
+1
Perth
+8
Rio de Janeiro
-3
Riyadh
+3
Rome
+1
San Francisco
-8
Santiago
-5
Seoul
+9
Singapore
+8
Sydney
+10
Tokyo
+9
Vancouver
-8
Wellington
±12
Lg3_PAA02921_11.13__ 13/11/13 15.42 Pagina 26
Summary of Contents for Radiomir 1940 Minute Repeater Carillon Tourbillon...
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Page 59: ...114 Officine Panerai 25 Panerai Lg3_PAA02921_11 13__ 13 11 13 15 43 Pagina 114...
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