Unix timestamp

-3284236800

Tue 05 Dec 1865 12:00:00 AM UTC

Coordinated Universal Time

Tue Dec 5 00:00:00 1865 UTC

In your local timezone

1865-12-05T00:00:00+00:00

ISO 8601

Tue, 05 Dec 1865 00:00:00 +0000

RFC 2822