# File lib/rufus/scheduler/zotime.rb, line 170
    def to_debug_s

      uo = self.utc_offset
      uos = uo < 0 ? '-' : '+'
      uo = uo.abs
      uoh, uom = [ uo / 3600, uo % 3600 ]

      [
        'zt',
        self.strftime('%Y-%m-%d %H:%M:%S'),
        "%s%02d:%02d" % [ uos, uoh, uom ],
        "dst:#{self.isdst}"
      ].join(' ')
    end