Les heures/jours

12h-13h = 1er jour
13h-14h = 2eme jours
14h-15h = 3eme jours
15h-16h = 4eme jours
16h-17h = 5eme jours
17h-18h = 6eme jours
18h-19h = 7eme jours
19h-20h = 8eme jours
20h-21h = 9eme jours
21h-22h = 10eme jours
22h-23h = 11eme jours
23h-00h = 12eme jours
00h-01h = 13eme jours
01h-02h = 14eme jours
02h-03h = 15eme jours
03h-04h = 16eme jours
04h-05h = 17eme jours
05h-06h = 18eme jours
06h-07h = 19eme jours
07h-08h = 20eme jours
08h-09h = 21eme jours
09h-10h = 22eme jours
10h-11h = 23eme jours
11h-12h = 24eme jours