Time Zones, Zone Descriptions, and Suffixes

Zone	ZD	SUFFIX
7½°W. to 7½°E.	0	Z
7½°E. to 22½°E.	-1	A
22½°E. to 37½°E.	-2	B
37½°E. to 52½°E.	-3	C
52½°E. to 67½°E.	-4	D
67½°E. to 82½°E.	-5	E
82½°E. to 97½°E.	-6	F
97½°E. to 112½°E.	-7	G
112½°E. to 127½°E.	-8	H
127½°E. to 142½°E.	-9	I
142½°E. to 157½°E.	-10	K
157½°E. to 172½°E.	-11	L
172½°E. to 180°	-12	M
7½°W. to 22½°W.	1	N
22½°W. to 37½°W.	2	O
37½°W. to 52½°W.	3	P
52½°W. to 67½°W.	4	Q
67½°W. to 82½°W.	5	R
82½°W. to 97½°W.	6	S
97½°W. to 112½°W.	7	T
112½°W. to 127½°W.	8	U
127½°W. to 142½°W.	9	V
142½°W. to 157½°W.	10	W
157½°W. to 172½°W.	11	X
172½°W. to 180°	12	Y

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