sent

gs:sent Property

When the alert was sent. CAP sent: a full date-time with offset.

Identifier (IRI)
https://schema.govfresh.com/v1/sent
Used on
gs:Alert
Value
schema:DateTime
Profile
alerts

The full definition is in the vocabulary file (Turtle). A static host cannot choose a format by request, so this page and that file are the two ways to read it.