proposed patch for Honduras and El Salvador's change this weekend

[Paul Eggert]

Oscar van Vlijmen <ovv at hetnet.nl> writes:

> Reportedly (wordltimezone.com, some Spanish media) Honduras chose to follow
> Guatemala and will observe DST [this weekend]

Thanks for the heads up.  I can't find any more-official confirmation,
but if it's good enough for the AP and NACION, it's good enough for me,
particularly since the change takes effect this weekend.

> My theory is: DST ends Saturday 02 September 2006 24:00 local time.

That's a reasonable guess (it's 2 hours away from our guess for
Nicaragua).  Another possibility is the last Sunday in September
at 00:00, which is what they did the last time they observed DST.
I think I'll assume that for now.

Here's a proposed patch to the tz database for this.  Thanks again.

--- northamerica	2006/05/01 13:44:41	2006.6
+++ northamerica	2006/05/05 08:08:13	2006.6.0.1
@@ -2085,9 +2085,19 @@ Zone America/Santo_Domingo -4:39:36 -	LM
 			-4:00	-	AST
 
 # El Salvador
+
+# From Paul Eggert (2006-05-05):
+# worldtimezone.com reports a 2006-05-02 Spanish-language AP article
+# saying Honduras will start using DST midnight Saturday, effective 4
+# months until September, and a 2006-05-03 NACION article saying El
+# Salvador will follow suit.  For lack of better info, assume they'll
+# use the same end-of-DST rules as in 1987 and 1988.
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Salv	1987	1988	-	May	Sun>=1	0:00	1:00	D
 Rule	Salv	1987	1988	-	Sep	lastSun	0:00	0	S
+Rule	Salv	2006	only	-	May	Sun>=1	0:00	1:00	D
+Rule	Salv	2006	only	-	Sep	lastSun	0:00	0	S
 # There are too many San Salvadors elsewhere, so use America/El_Salvador
 # instead of America/San_Salvador.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]