Unix timestamp

-317952000

Sat 05 Dec 1959 12:00:00 AM UTC

Coordinated Universal Time

Sat Dec 5 00:00:00 1959 UTC

In your local timezone

1959-12-05T00:00:00+00:00

ISO 8601

Sat, 05 Dec 1959 00:00:00 +0000

RFC 2822