Unix timestamp

-1224460800

Sun 15 Mar 1931 12:00:00 AM UTC

Coordinated Universal Time

Sun Mar 15 00:00:00 1931 UTC

In your local timezone

1931-03-15T00:00:00+00:00

ISO 8601

Sun, 15 Mar 1931 00:00:00 +0000

RFC 2822