id: https://nde.nl/ontology/hc/class/CalendarSystem
name: CalendarSystem
title: Calendar System Class
description: 'Represents a temporal reference system (calendar) for dating events.

  **OWL TIME ALIGNMENT**: Maps to time:TRS (Temporal Reference System).

  **SUPPORTED SYSTEMS**: - gregorian: Gregorian calendar (ISO 8601 default) - julian:
  Julian calendar (pre-1582 dates) - hebrew: Hebrew calendar - islamic: Islamic (Hijri)
  calendar - chinese: Chinese traditional calendar - japanese: Japanese imperial calendar

  **USE CASES**: - Historical dates using Julian calendar - Religious dates in Hebrew
  or Islamic calendars - East Asian historical dates'
prefixes:
  linkml: https://w3id.org/linkml/
  hc: https://nde.nl/ontology/hc/
  time: http://www.w3.org/2006/time#
  schema: http://schema.org/
default_prefix: hc
imports:
  - linkml:types
  - ../slots/has_label
classes:
  CalendarSystem:
    class_uri: time:TRS
    description: A temporal reference system (calendar) used for dating.
    exact_mappings:
    - time:TRS
    close_mappings:
    - schema:Thing
    slots:
    - has_label
    slot_usage:
      has_label:
#         range: string
        inlined: false # Fixed invalid inline for primitive type
    examples:
    - value:
        system_uri: http://www.opengis.net/def/trs/BIPM/0/Gregorian
    - value: null
    - value: null
    annotations:
      custodian_types: '["*"]'
      specificity_score: 0.5
      specificity_rationale: Moderately specific - calendar systems used in temporal
        context across heritage.