birthday-examples

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<entry-title>birthday examples</entry-title>

Examples of birthday publishing practices.

Many social network sites (e.g. those listed in hcard-supporting-user-profiles) provide users the ability to publish their birthday (or age) in some form. This page documents those various forms. Many sites permit different forms depending on individual profile preferences.

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date

YYYY-MM-DD


support status:


year only

YYYY or age (which implies coarse year info)


support status:

  • not supported by vCard - requires full year month day
  • can be specified using hCard, see example below.
  • hcard-implementations support unknown (need test cases)
  • to-do: hCard spec could use clarification in (1.0.1 or 1.1), and how to convert to vCard.
  • example, using ISO8601 YYYY format:
    <span class="bday">2005</span>
    


month and day only

MMDD


support status:

  • not supported by vCard - requires full year month day
  • can be specified using hCard, see example below.
  • hcard-implementations support unknown (need test cases)
  • to-do: hCard spec could use clarification in (1.0.1 or 1.1), and how to convert to vCard.
  • example using ISO8601 --MM-DD format and value-class-pattern value-title:
    <span class="bday"><span class="value-title" title="--06-08"> </span>6/8</span>
    
  • example using ISO8601 --MM-DD format and HTML5 <time> element (how it could work) :
    <time class="bday" datetime="--06-08">6/8</time>
    


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