Unix timestamp
-23379494400
Sun 18 Feb 1229 12:00:00 AM UTC
Coordinated Universal Time
Sun Feb 18 00:00:00 1229 UTC
In your local timezone
1229-02-18T00:00:00+00:00
ISO 8601
Sun, 18 Feb 1229 00:00:00 +0000
RFC 2822
Unix timestamp
Coordinated Universal Time
In your local timezone
ISO 8601
RFC 2822