title: Date
type: string
pattern: >-
  ^(?:[1-9]\d{3}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1\d|2[0-8])|(?:0[13-9]|1[0-2])-(?:29|30)|(?:0[13578]|1[02])-31)|(?:[1-9]\d(?:0[48]|[2468][048]|[13579][26])|(?:[2468][048]|[13579][26])00)-02-29)$
description: >-
  The API data type Date is a JSON String in a lexical format that is restricted
  by a regular expression for interoperability reasons. This format, as
  specified in ISO 8601, contains a date only. A more readable version of the
  format is yyyy-MM-dd. Examples are "1982-05-23", "1987-08-05”.