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(if (> min 0)(conc min "m ") "")
sec "s")))
(define (seconds->time-string sec)
(time->string
(seconds->local-time sec) "%H:%M:%S"))
(define (seconds->work-week/day-time sec)
(define (sbeconds->work-week/day-time sec)
(time->string
(seconds->local-time sec) "ww%V.%u %H:%M"))
(define (seconds->work-week/day sec)
(time->string
(seconds->local-time sec) "ww%V.%u"))
(define (seconds->year-work-week/day sec)
(time->string
(seconds->local-time sec) "%yww%V.%w"))
(define (seconds->year-work-week/day-time sec)
(time->string
(seconds->local-time sec) "%yww%V.%w %H:%M"))
(seconds->local-time sec) "%Yww%V.%w %H:%M"))
(define (seconds->quarter sec)
(case (string->number
(time->string
(seconds->local-time sec)
"%m"))
((1 2 3) 1)
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