Re: [Rd] as.Date function yields inconsistent results (PR#14166)

I think you're right that this is a timezone issue -- it seems to be a consequence of the behavior described about in the article by Gabor Grothendieck and Thomas Petzoldt: "R help desk: Date and time classes in R." R News, 4(1):29-32, June 2004.

[Rd] as.Date function yields inconsistent results (PR#14166)

Full_Name: Mario Luoni Version: 2.10.0 OS: Windows XP HE SP3 Submission from: (NULL) (217.194.59.134) This piece of code: zzz1 <- as.POSIXct("1999-03-18", tz="CET") zzz2 <- as.POSIXlt("1999-03-18", tz="CET") zzz1 == zzz2 as.Date(zzz1) as.Date(zzz2) yields TRUE for "zzz1==zzz2", but the two date