Tony,
Each Fuso (time zone) has a
Zonal Designation (a letter) and a
Zonal Correction, to get the UT.
The time zone Z has the Zero Meridian (Greenwich) in the middle, is called
Zulu, and has for Correction 0.
to East
to West
A -1 G -7 N +1
T +7
B -2 H -8 O +2
U +8
C -3 I -9
P +3 V +9
D -4 K -10 Q +4
W +10
E -5 L -11 R +5
X +11
F -6 M -12 S +6
Y +12
M and Y are the same Fuso and it contains the Change of Day Line
(not a straight line, because of Alaska and some Pacific Islands).
jorge
