On May 21, 2013, at 8:51 PM, Lewis wrote: > When I use string->date in srfi/19, it defaults to my local time zone. > I see from the documentation that one can use "~z" to denote the "time > zone in RFC-822 style". A quick google of RFC-822 suggests "UT" is the > correct abbreviation for UTC. > > However > > Welcome to Racket v5.3.4. >> (require srfi/19) >> (string->date "22/05/13/UT" "~d/~m/~y/~z") > string->date: TIME-ERROR type bad-date-format-string: "~d/~m/~y/~z" > context...: > /usr/lib/racket/collects/srfi/19/time.rkt:1532:0: tm:string->date > /usr/lib/racket/collects/srfi/19/time.rkt:1569:0: string->date > /usr/lib/racket/collects/racket/private/misc.rkt:87:7 > > So in short: how - given the day, month and year - can I construct a > date object that's in UTC?
How important is it to you to use srfi/19? The program below produces the date that you're looking for, if I understand correctly: #lang racket (require racket/date) (seconds->date (find-seconds 0 0 0 22 05 2013 #f)) ____________________ Racket Users list: http://lists.racket-lang.org/users
