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valvallow/DateAndTimes.scm

Created February 10, 2010 11:52
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DateAndTimes.scm
(define date->gmt
(lambda (date)
(let ((g (lambda (ls dl)
(string-join
(map (lambda (f)
(format #f "~2,,,'0,@a" (f date))) ls) dl))))
(let ((yyyyMMdd (g (list date-year date-month date-day) "-"))
(hhmmdd (format #f "T~aZ"
(g (list date-hour date-minute date-second) ":"))))
(string-append yyyyMMdd hhmmdd)))))
(date->gmt (current-date))
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