Unix timestamp
-23314089600
Mon 17 Mar 1231 12:00:00 AM UTC
Coordinated Universal Time
Mon Mar 17 00:00:00 1231 UTC
In your local timezone
1231-03-17T00:00:00+00:00
ISO 8601
Mon, 17 Mar 1231 00:00:00 +0000
RFC 2822
Unix timestamp
Coordinated Universal Time
In your local timezone
ISO 8601
RFC 2822