The date this entry is set to expire, as a string in the same format as it was published in the original feed).

This element is parsed as a date and stored in entries[i].expired_parsed.

This element is rare. It only existed in RSS 0.93, and it was never widely implemented by publishers. Most clients ignore it in favor of user-defined expiration algorithms.

Comes from

  • /rss/channel/item/expirationDate