$ ./date-time-bigint.plx (2<<31)-1, raw: 1968-01-20T03:14:07Z 2<<31, raw: 1968-01-20T03:14:08Z (2<<31)+1, raw: 1968-01-20T03:14:09Z (2<<32)-1, raw: 2036-02-07T06:28:15Z 2<<32, raw: 2036-02-07T06:28:16Z (2<<32)+1, raw: 2036-02-07T06:28:17Z (2<<31)-1, str: 1968-01-20T03:14:07Z 2<<31, str: 1968-01-20T03:14:08Z (2<<31)+1, str: 1968-01-20T03:14:09Z (2<<31)-1, str+bi: 1968-01-20T03:14:07Z 2<<31, str+bi: 1968-01-20T03:14:08Z (2<<31)+1, str+bi: 1968-01-20T03:14:09Z (2<<31)-1, str+bi2: 1968-01-20T03:14:07Z 2<<31, str+bi2: 1968-01-20T03:14:08Z (2<<31)+1, str+bi2: 1968-01-20T03:14:09Z