1990 timestamp table
| Event | Timestamp (s) | ISO 8601 | Readable UTC |
|---|---|---|---|
| 1990 first second | 631152000 | 1990-01-01T00:00:00.000Z | Mon, 01 Jan 1990 00:00:00 GMT |
| 1990 final second | 662687999 | 1990-12-31T23:59:59.000Z | Mon, 31 Dec 1990 23:59:59 GMT |
| January 1 00:00 UTC | 631152000 | 1990-01-01T00:00:00.000Z | Mon, 01 Jan 1990 00:00:00 GMT |
| February 1 00:00 UTC | 633830400 | 1990-02-01T00:00:00.000Z | Thu, 01 Feb 1990 00:00:00 GMT |
| March 1 00:00 UTC | 636249600 | 1990-03-01T00:00:00.000Z | Thu, 01 Mar 1990 00:00:00 GMT |
| April 1 00:00 UTC | 638928000 | 1990-04-01T00:00:00.000Z | Sun, 01 Apr 1990 00:00:00 GMT |
| May 1 00:00 UTC | 641520000 | 1990-05-01T00:00:00.000Z | Tue, 01 May 1990 00:00:00 GMT |
| June 1 00:00 UTC | 644198400 | 1990-06-01T00:00:00.000Z | Fri, 01 Jun 1990 00:00:00 GMT |
| July 1 00:00 UTC | 646790400 | 1990-07-01T00:00:00.000Z | Sun, 01 Jul 1990 00:00:00 GMT |
| August 1 00:00 UTC | 649468800 | 1990-08-01T00:00:00.000Z | Wed, 01 Aug 1990 00:00:00 GMT |
| September 1 00:00 UTC | 652147200 | 1990-09-01T00:00:00.000Z | Sat, 01 Sep 1990 00:00:00 GMT |
| October 1 00:00 UTC | 654739200 | 1990-10-01T00:00:00.000Z | Mon, 01 Oct 1990 00:00:00 GMT |
| November 1 00:00 UTC | 657417600 | 1990-11-01T00:00:00.000Z | Thu, 01 Nov 1990 00:00:00 GMT |
| December 1 00:00 UTC | 660009600 | 1990-12-01T00:00:00.000Z | Sat, 01 Dec 1990 00:00:00 GMT |
Developer context
1990 timestamps are useful for log review, API fixtures, database boundaries, yearly reports, and test data that needs stable UTC values.