1*40004Sbostic# @(#)systemv	4.1
2*40004Sbostic
3*40004Sbostic# Old rules, should the need arise.
4*40004Sbostic# No attempt is made to handle Newfoundland, since it cannot be expressed
5*40004Sbostic# using the System V "TZ" scheme (half-hour offset), or anything outside
6*40004Sbostic# North America (no support for non-standard DST start/end dates), nor
7*40004Sbostic# the change in the DST rules in the US in 1987 (can't split between
8*40004Sbostic# Canada, with no changes, and the US)
9*40004Sbostic#
10*40004Sbostic# Be sure to compile this *without* leap second correction for true conformance.
11*40004Sbostic
12*40004Sbostic# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
13*40004SbosticRule	SystemV	min	1973	-	Apr	lastSun	2:00	1:00	D
14*40004SbosticRule	SystemV	min	1973	-	Oct	lastSun	2:00	0	S
15*40004SbosticRule	SystemV	1974	only	-	Jan	6	2:00	1:00	D
16*40004SbosticRule	SystemV	1974	only	-	Nov	lastSun	2:00	0	S
17*40004SbosticRule	SystemV	1975	only	-	Feb	23	2:00	1:00	D
18*40004SbosticRule	SystemV	1975	only	-	Oct	lastSun	2:00	0	S
19*40004SbosticRule	SystemV	1976	max	-	Apr	lastSun	2:00	1:00	D
20*40004SbosticRule	SystemV	1976	max	-	Oct	lastSun	2:00	0	S
21*40004Sbostic
22*40004Sbostic# Zone	NAME		GMTOFF	RULES/SAVE	FORMAT	[UNTIL]
23*40004SbosticZone	SystemV/AST4ADT	-4:00	SystemV		A%sT
24*40004SbosticZone	SystemV/EST5EDT	-5:00	SystemV		E%sT
25*40004SbosticZone	SystemV/CST6CDT	-6:00	SystemV		C%sT
26*40004SbosticZone	SystemV/MST7MDT	-7:00	SystemV		M%sT
27*40004SbosticZone	SystemV/PST8PDT	-8:00	SystemV		P%sT
28*40004SbosticZone	SystemV/YST9YDT	-9:00	SystemV		Y%sT
29*40004SbosticZone	SystemV/AST4	-4:00	-		AST
30*40004SbosticZone	SystemV/EST5	-5:00	-		EST
31*40004SbosticZone	SystemV/CST6	-6:00	-		CST
32*40004SbosticZone	SystemV/MST7	-7:00	-		MST
33*40004SbosticZone	SystemV/PST8	-8:00	-		PST
34*40004SbosticZone	SystemV/YST9	-9:00	-		YST
35*40004SbosticZone	SystemV/HST10	-10:00	-		HST
36