Unix timestamp

-21638102400

Tue 25 Apr 1284 12:00:00 AM UTC

Coordinated Universal Time

Tue Apr 25 00:00:00 1284 UTC

In your local timezone

1284-04-25T00:00:00+00:00

ISO 8601

Tue, 25 Apr 1284 00:00:00 +0000

RFC 2822