The time is represented in 24 hour format. If you want the system time to be set to 8:00 PM, you need to set the hour spinbox to 20 (8 + 12). If you want the system time set to 8:00 AM, you should set the hour spinbox to 8.
Čas je predstavljen v 24 urnem formatu. Če želite, da sistemska ura kaže 8: 00 pop., morate postaviti uro na 20. Če želite, da je sistemski čas 8: 00 dop., potem postavite vrednost v vrtilnem polju na 8.