Unix timestamp

-22165401600

Wed 10 Aug 1267 12:00:00 AM UTC

Coordinated Universal Time

Wed Aug 10 00:00:00 1267 UTC

In your local timezone

1267-08-10T00:00:00+00:00

ISO 8601

Wed, 10 Aug 1267 00:00:00 +0000

RFC 2822