UTC, Temps Universel Cordonné eller kort o gott universaltid är i stort sett detsamma som "Grennwichtid"(GMT). Observera dock att man i verklighetens Grenwich dvs i London även tillämpar sommartid medan GMT och UTC alltid är desamma.
| UTC | A | Svensk normaltid | Svensk sommartid |
| 00:00 | 0 | 01:00 | 02:00 |
| 00:22:30 | 1 | 01:22:30 | 02:22:30 |
| 00:45 | 2 | 01:45 | 02:45 |
| 01:07:30 | 3 | 02:07:30 | 03:07:30 |
| 01:30 | 4 | 02:30 | 03:30 |
| 01:52:30 | 5 | 02:52:30 | 03:52:30 |
| 02:15 | 6 | 03:15 | 04:15 |
| 02:37:30 | 7 | 03:37:30 | 04:37:30 |
| 03:00 | 8 | 04:00 | 05:00 |
| 03:22:30 | 9 | 04:22:30 | 05:22:30 |
| 03:45 | a | 04:45 | 05:45 |
| 04:07:30 | b | 05:07:30 | 06:07:30 |
| 04:30 | c | 05:30 | 06:30 |
| 04:52:30 | d | 05:52:30 | 06:52:30 |
| 05:15 | e | 06:15 | 07:15 |
| 05:37:30 | f | 06:37:30 | 07:37:30 |
| 06:00 | g | 07:00 | 08:00 |
| 06:22:30 | h | 07:22:30 | 08:22:30 |
| 06:45 | i | 07:45 | 08:45 |
| 07:07:30 | j | 08:07:30 | 09:07:30 |
| 07:30 | k | 08:30 | 09:30 |
| 07:52:30 | L | 08:52:30 | 09:52:30 |
| 08:15 | m | 09:15 | 10:15 |
| 08:37:30 | n | 09:37:30 | 10:37:30 |
| 09:00 | o | 10:00 | 11:00 |
| 09:22:30 | p | 10:22:30 | 11:22:30 |
| 09:45 | q | 10:45 | 11:45 |
| 10:07:30 | r | 11:07:30 | 12:07:30 |
| 10:30 | s | 11:30 | 12:30 |
| 10:52:30 | t | 11:52:30 | 12:52:30 |
| 11:15 | u | 12:15 | 13:15 |
| 11:37:30 | v | 12:37:30 | 13:37:30 |
| 12:00 | w | 13:00 | 14:00 |
| 12:22:30 | x | 13:22:30 | 14:22:30 |
| 12:45 | y | 13:45 | 14:45 |
| 13:07:30 | z | 14:07:30 | 15:07:30 |
| 13:30 | @ | 14:30 | 15:30 |
| 13:52:30 | & | 14:52:30 | 15:52:30 |
| 14:15 | $ | 15:15 | 16:15 |
| 14:37:30 | % | 15:37:30 | 16:37:30 |
| 15:00 | . | 16:00 | 17:00 |
| 15:22:30 | , | 16:22:30 | 17:22:30 |
| 15:45 | : | 16:45 | 17:45 |
| 16:07:30 | ; | 17:07:30 | 18:07:30 |
| 16:30 | ' | 17:30 | 18:30 |
| 16:52:30 | | | 17:52:30 | 18:52:30 |
| 17:15 | ! | 18:15 | 19:15 |
| 17:37:30 | ? | 18:37:30 | 19:37:30 |
| 18:00 | / | 19:00 | 20:00 |
| 18:22:30 | \ | 19:22:30 | 20:22:30 |
| 18:45 | < | 19:45 | 20:45 |
| 19:07:30 | > | 20:07:30 | 21:07:30 |
| 19:30 | [ | 20:30 | 21:30 |
| 19:52:30 | ] | 20:52:30 | 21:52:30 |
| 20:15 | { | 21:15 | 22:15 |
| 20:37:30 | } | 21:37:30 | 22:37:30 |
| 21:00 | _ | 22:00 | 23:00 |
| 21:22:30 | = | 22:22:30 | 23:22:30 |
| 21:45 | ~ | 22:45 | 23:45 |
| 22:07:30 | ^ | 23:07:30 | 00:07:30 |
| 22:30 | - | 23:30 | 00:30 |
| 22:52:30 | + | 23:52:30 | 00:52:30 |
| 23:15 | * | 00:15 | 01:15 |
| 23:37:30 | # | 00:37:30 | 01:37:30 |