Unix timestamp

-21906201600

Sun 27 Oct 1275 12:00:00 AM UTC

Coordinated Universal Time

Sun Oct 27 00:00:00 1275 UTC

In your local timezone

1275-10-27T00:00:00+00:00

ISO 8601

Sun, 27 Oct 1275 00:00:00 +0000

RFC 2822