Unix timestamp

-22083753600

Wed 12 Mar 1270 12:00:00 AM UTC

Coordinated Universal Time

Wed Mar 12 00:00:00 1270 UTC

In your local timezone

1270-03-12T00:00:00+00:00

ISO 8601

Wed, 12 Mar 1270 00:00:00 +0000

RFC 2822