Córdoba (ESP) is at   -4.8° and should be UTC+23:34 but it is actually UTC+01:00 because noon occurs 00:26 after 12:00 UTC.

Denver  (USA) is at -105.0° and should be UTC+16:54 but it is actually UTC+17:00 because noon occurs 07:06 after 12:00 UTC.

Kashgar (CHN) is at   76.0° and should be UTC+04:58 but it is actually UTC+08:00 because noon occurs 19:02 after 12:00 UTC.
Beijing (CHN) is at  116.4° and should be UTC+07:38 but it is actually UTC+08:00 because noon occurs 16:22 after 12:00 UTC.

Lisbon  (PRT) is at   -9.1° and should be UTC+23:17 but it is actually UTC+00:00 because noon occurs 00:43 after 12:00 UTC.
Madrid  (ESP) is at   -3.7° and should be UTC+23:37 but it is actually UTC+01:00 because noon occurs 00:23 after 12:00 UTC.
London  (GBR) is at   -0.1° and should be UTC+23:51 but it is actually UTC+00:00 because noon occurs 00:09 after 12:00 UTC.
Paris   (FRA) is at    2.3° and should be UTC+00:01 but it is actually UTC+01:00 because noon occurs 23:59 after 12:00 UTC.
Berlin  (DEU) is at   13.4° and should be UTC+00:48 but it is actually UTC+01:00 because noon occurs 23:12 after 12:00 UTC.
Warsaw  (POL) is at   21.0° and should be UTC+01:18 but it is actually UTC+01:00 because noon occurs 22:42 after 12:00 UTC.