Unix timestamp

-55181520000

Tue 15 May 221 12:00:00 AM UTC

Coordinated Universal Time

Tue May 15 00:00:00 221 UTC

In your local timezone

0221-05-15T00:00:00+00:00

ISO 8601

Tue, 15 May 0221 00:00:00 +0000

RFC 2822