#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"
  supertype:  #time_unit__unit_of_time  a unit for measuring time periods
  part of:  #month (pm)  #calendar_month (pm)
  part:  #daytime__day  the time after sunrise and before sunset while it is light outside; "the dawn turned night into day"; "it is easier to make the repairs in the daytime"
     part:  #morning_time__morningtime__morn__forenoon  the time period between dawn and noon; "I spent the morning running errands"
        part:  #early-morning_hour__earlymorninghour  an hour early in the morning
  part:  #twelve_noon__noon__high_noon__midday__noonday__noontide  the middle of the day
  part:  #nighttime__dark  the time after sunset and before sunrise while it is dark outside
     part:  #evening  the early part of night (from dinner until bedtime) spent in a special way; "an evening at the opera"
     part:  #late-night_hour  the latter part of night
     part:  #midnight  12 o'clock at night; the middle of the night; "young children should not be allowed to stay up until midnight"
     part:  #small_hours  the hours just after midnight
     part:  #lights-out  a prescribed bedtime
  part:  #hour__hr__60_minutes  a period of time equal to 1/24th of a day; "the job will take more than an hour"
     part:  #half-hour__30_minutes  a half of an hour
     part:  #quarter-hour__quarterhour__15_minutes  a quarter of an hour
     part:  #minute__min  a unit of time equal to 60 seconds or 1/60th of an hour; "he ran a 4 minute mile"
        part:  #second__s____sec  1/60 of a minute; the basic unit of time adopted under the System International d'Unites
           part:  #millisecond  one thousandth of a second
              part:  #microsecond  one millionth of a second; one thousandth of a millisecond
                 part:  #nanosecond  one billionth of a second; one thousandth of a microsecond
                    part:  #picosecond  one trillionth of a second; one thousandth of a nanosecond
                       part:  #femtosecond  one quadrillionth of a second; one thousandth of a nanosecond
                          part:  #attosecond  one quintillionth of a second; one thousandth of a femtosecond
     part:  #quarter.time_unit  a unit of time equal to 15 minutes or a quarter of an hour; "it's a quarter til 4"; "a quarter after 4 o'clock"

No statement uses or specializes #day; click here to add one.