FormattedDateTime

Accepts Date, Temporal.Instant, Temporal.ZonedDateTime, or an ISO 8601 string via value; formats using options (default { dateStyle: "medium", timeStyle: "short" }).

• locale="fi", value=ISO instant string, default options: 5.8.2026 klo 20.30
• locale="en", value=Temporal.ZonedDateTime: Aug 5, 2026, 8:30 PM
• locale="fi", custom options ({ dateStyle: "full", timeStyle: "medium" }): keskiviikko 5. elokuuta 2026 klo 20.30.00
• locale="fi", value=null (renders nothing):

Calling formatDateTime() directly: 5.8.2026 klo 20.30