Unix timestamp

-21239452800

Wed 12 Dec 1296 12:00:00 AM UTC

Coordinated Universal Time

Wed Dec 12 00:00:00 1296 UTC

In your local timezone

1296-12-12T00:00:00+00:00

ISO 8601

Wed, 12 Dec 1296 00:00:00 +0000

RFC 2822