10.1 1925-08-31T23:59:59+00:00 should be 23:59:59 GMT
10.2 1925-08-31T23:59:59+00:00 should be 0 minutes offset in GMT
10.3 1925-08-31T23:59:59+00:00 should be GMT
10.4 1925-09-01T00:00:00+00:00 should be 00:20:00 +0020
10.5 1925-09-01T00:00:00+00:00 should be -20 minutes offset in +0020
10.6 1925-09-01T00:00:00+00:00 should be +0020
10.7 1925-12-30T23:39:59+00:00 should be 23:59:59 +0020
10.8 1925-12-30T23:39:59+00:00 should be -20 minutes offset in +0020
10.9 1925-12-30T23:39:59+00:00 should be +0020
10.10 1925-12-30T23:40:00+00:00 should be 23:40:00 GMT
10.11 1925-12-30T23:40:00+00:00 should be 0 minutes offset in GMT
10.12 1925-12-30T23:40:00+00:00 should be GMT