#hour__hr__60_minutes  a period of time equal to 1/24th of a day; "the job will take more than an hour"
  supertype:  #time_unit__unit_of_time  a unit for measuring time periods
  subtype:  #sidereal_hour  #man_hour
  part:  #half-hour  #quarter-hour  #minute  #quarter.time_unit
  part of:  #day__meansolarday__twenty-four_hours__solar_day  time for Earth to make a complete rotation on its axis; "two days later they left"; "they put on two performances every day"; "there are 30,000 passengers per day"
     part of:  #month  a time unit of 30 days; "he was given a month to pay the bill"
        part of:  #year  a period of time occupying a regular part of a calendar year that is used for some particular activity; "a school year"
     part of:  #calendar_month__month  one of the twelve divisions of the calendar year; "he paid the bill last month"

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