#time_period__period__period_of_time  an amount of time; "a time period of 30 years"; "hastened the period of his recovery"
  subtype:  #time_frame  #hours.time_period {#downtime #uptime} {#work_time #time_off}  #travel_time  #indefinite_time_period  #elapsed_time  #duration  #calendar_week  #field_day  #lifetime  #elapsed_period_from_birth  #period_from_birth_to_death  #millennium  #bimillennium  #past  #shelf_life  #puerperium  #time_of_life  #calendar_day  #festival {#daytime #nighttime}  #morning_time  #night  #night.time_period  #period_of_ignorance  #eve.time_period  #evening  #week  #fortnight  #weekend  #point_in_time  #Indian_summer  #year.time_period  #schooltime  #twelvemonth  #year  #semester  #bimester  #Olympiad  #lustrum.time_period  #decade  #century  #half-century  #quarter-century  #quarter.time_period  #phase_of_the_moon  #day.time_period  #calendar_month  #mid-January  #mid-February  #mid-March  #mid-April  #mid-May  #mid-June  #mid-July  #mid-August  #mid-September  #mid-October  #mid-November  #mid-December  #time_limit  #term.time_period  #trimester  #particular_hour  #silly_season  #Golden_Age  #silver_age  #bronze_age  #iron_age  #Platonic_year {#regulation_time #extra_time}  #time_of_year  #dog_days  #midwinter  #season.time_period  #season  #long_time  #long_run  #drought.time_period  #era  #generation.time_period  #prehistory  #reign  #early_days  #dawn.time_period  #evening.time_period  #sufficient_time_period  #sleep.time_period  #term_of_a_contract  #half_life  #lunar_time_period  #phase.time_period  #multistage  #watch.time_period  #peacetime  #wartime  #term_of_enlistment  #honeymoon.time_period  #indiction  #the_Great_Depression  #prohibition_era  #incubation_period  #rainy_day  #noviciate  #heyday  #running_time  #historical_period  #clotting_time  #real_time  #study_hall.time_period  #usance
  instance:  #Bronze_Age  #Iron_Age  #Stone_Age  #Eolithic_Age  #Paleolithic_Age  #Mesolithic_Age  #Neolithic_Age
  equal:  nsm#moment (pm)
  supertype:  pm#time_measure__temporal_attribute_or_quality_or_measure  temporal duration or positions of time_points and time_intervals along the universal timeline
     supertype:  pm#attribute_or_quality_or_measure  e.g., mass, mass unit, 1 kg, frequency, [2-3] hz, color, blue, speed, 1 m/s
        supertype:  pm#non_spatial_object_that_is_not_a_description_content/medium/container
           supertype:  pm#non_spatial_object__nonspatialobject  abstraction or description content/medium/container (a description medium that has some spatial feature is both instance of sumo#object and pm#non_spatial_object
              supertype:  pm#entity  something that can be "involved" in a situation
                 supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
              supertype:  cyc#intangible  The collection of things that are not physical -- are not made of, or encoded in, matter. Every cyc#Collection is a cyc#intangible (even if its instances are tangible), and so are some cyc#individuals.  Caution: do not confuse `tangibility' with `perceivability' -- humans can perceive light even though it's intangible--at least in a sense.
                 supertype:  cyc#partially_intangible__partiallyintangible  The collection of things that either are wholly intangible (see cyc#Intangible) or have at least one intangible (i.e. immaterial) part (see cyc#intangibleParts). This includes intangible individuals, such as instances of cyc#Number-General  or cyc#Agreement, as well as non-individuals (all of which are intangible), i.e. instances of cyc#SetOrCollection.  It also includes things that have both tangible and intangible components (see cyc#CompositeTangibleAndIntangibleObject),  such as a printed copy of a newspaper (as its information content is intangible) or a person (as her mental states are intangible).
                    supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
        supertype:  pm#thing_that_can_be_seen_as_a_relation  usable as relation type
           supertype:  pm#thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
              supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
        supertype:  pm#individual__particular___supertype_of_1st_order_types  all individuals (for concepts or relations) are implicitely or explicitely instance of that type
           supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
  supertype:  #fundamental_quantity__fundamentalquantity__fundamentalmeasure  one of the four quantities that are the basis of systems of measurement
     supertype:  #measure__quantity__amount__quantum  how much there is of something that you can measure
        supertype:  pm#attribute_or_quality_or_measure  e.g., mass, mass unit, 1 kg, frequency, [2-3] hz, color, blue, speed, 1 m/s

#time_period has many specializing statements. Browse its subtypes, or click here for a search form or here to represent such an object.


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