Re: [Haskell-cafe] Time zones and IO

An all to real point that I had overlooked inadvertently. I think adding a timezone parameter would be a fine change to the API. I'll look at it this evening, I've been meaning t Chris Heller SAS - Advanced Analytics Teragram Research & Development phone: 1-617-576-6800 x54237 mobile: 1-617-460-3643 email: heller@teragram.com On Nov 6, 2011, at 5:28 PM, Brandon Allbery wrote:

On Sun, Nov 6, 2011 at 17:25, Heller Time wrote: I rationalized the use of unsafePerformIO in the library by deciding that it was only being used in the case of a LocalTime instance (a user could always stick to UTCTime and avoid the issues) and that unless the machine running the program using time-recurrence was traveling across timezones (and the system was updating that fact) the program would essentially be referentially transparent :)

There's also late-night hackers doing stuff when DST changes (as it did in the US last night and Europe a week ago).

-- brandon s allbery allbery.b@gmail.com wandering unix systems administrator (available) (412) 475-9364 vm/sms