— procedure: universal-time->local-decoded-time universal-time
— procedure: universal-time->global-decoded-time universal-time

Converts an argument in universal-time format to decoded-time format. The result is in the local time zone or UTC, respectively.

          (pp (universal-time->local-decoded-time (get-universal-time)))
          -| #[decoded-time 21]
          -| (second 23)
          -| (minute 57)
          -| (hour 17)
          -| (day 29)
          -| (month 4)
          -| (year 1999)
          -| (day-of-week 3)
          -| (daylight-savings-time 1)
          -| (zone 5)
          
          (pp (universal-time->global-decoded-time
               (get-universal-time)))
          -| #[decoded-time 22]
          -| (second 27)
          -| (minute 57)
          -| (hour 21)
          -| (day 29)
          -| (month 4)
          -| (year 1999)
          -| (day-of-week 3)
          -| (daylight-savings-time 0)
          -| (zone 0)

— procedure: universal-time->file-time universal-time

Converts an argument in universal-time format to file-time format.

          (universal-time->file-time (get-universal-time))
               925422988

— procedure: universal-time->local-time-string universal-time
— procedure: universal-time->global-time-string universal-time

Converts an argument in universal-time format to a time string. The result is in the local time zone or UTC, respectively.

          (universal-time->local-time-string (get-universal-time))
               "Thu, 29 Apr 1999 17:55:31 -0400"
          (universal-time->global-time-string (get-universal-time))
               "Thu, 29 Apr 1999 21:55:51 +0000"

— procedure: decoded-time->universal-time decoded-time

Converts an argument in decoded-time format to universal-time format.

          (decoded-time->universal-time (local-decoded-time))
               3134411942
          (decoded-time->universal-time (global-decoded-time))
               3134411947

— procedure: decoded-time->file-time decoded-time

Converts an argument in decoded-time format to file-time format.

          (decoded-time->file-time (local-decoded-time))
               925423191
          (decoded-time->file-time (global-decoded-time))
               925423195

— procedure: decoded-time->string decoded-time

Convert an argument in decoded-time format to a time string.

          (decoded-time->string (local-decoded-time))
               "Thu, 29 Apr 1999 18:00:43 -0400"
          (decoded-time->string (global-decoded-time))
               "Thu, 29 Apr 1999 22:00:46 +0000"

— procedure: file-time->universal-time file-time

Converts an argument in universal-time format to file-time format.

          (file-time->universal-time (file-modification-time "/"))
               3133891907

— procedure: file-time->local-decoded-time file-time
— procedure: file-time->global-decoded-time file-time

Converts an argument in file-time format to decoded-time format. The result is in the local time zone or UTC, respectively.

          (pp (file-time->local-decoded-time
               (file-modification-time "/")))
          -| #[decoded-time 26]
          -| (second 47)
          -| (minute 31)
          -| (hour 17)
          -| (day 23)
          -| (month 4)
          -| (year 1999)
          -| (day-of-week 4)
          -| (daylight-savings-time 1)
          -| (zone 5)
          
          (pp (file-time->global-decoded-time
               (file-modification-time "/")))
          -| #[decoded-time 27]
          -| (second 47)
          -| (minute 31)
          -| (hour 21)
          -| (day 23)
          -| (month 4)
          -| (year 1999)
          -| (day-of-week 4)
          -| (daylight-savings-time 0)
          -| (zone 0)

— procedure: file-time->local-time-string file-time
— procedure: file-time->global-time-string file-time

Converts an argument in file-time format to a time string. The result is in the local time zone or UTC, respectively.

          (file-time->local-time-string (file-modification-time "/"))
               "Fri, 23 Apr 1999 17:31:47 -0400"
          (file-time->global-time-string (file-modification-time "/"))
               "Fri, 23 Apr 1999 21:31:47 +0000"

— procedure: string->universal-time time-string

Converts a time-string argument to universal-time format.

          (string->universal-time "Fri, 23 Apr 1999 21:31:47 +0000")
               3133888307
          (string->universal-time "Fri, 23 Apr 1999 17:31:47 -0400")
               3133888307

— procedure: string->decoded-time time-string

Converts a time-string argument to decoded-time format.

          (pp (string->decoded-time "Fri, 23 Apr 1999 17:31:47 -0400"))
          -| #[decoded-time 30]
          -| (second 47)
          -| (minute 31)
          -| (hour 17)
          -| (day 23)
          -| (month 4)
          -| (year 1999)
          -| (day-of-week 4)
          -| (daylight-savings-time 0)
          -| (zone 4)

— procedure: string->file-time time-string

Converts a time-string argument to file-time format.

          (string->file-time "Fri, 23 Apr 1999 17:31:47 -0400")
               924899507