Unix timestamp

-10951459200

Sun 18 Dec 1622 12:00:00 AM UTC

Coordinated Universal Time

Sun Dec 18 00:00:00 1622 UTC

In your local timezone

1622-12-18T00:00:00+00:00

ISO 8601

Sun, 18 Dec 1622 00:00:00 +0000

RFC 2822