Dogs knowing the exact time is truly amazing. Even when the change to Daylight savings time occurs they know the right time! The only thing they need to really learn is when its the week-end
Your dog has so many good traits getting along with her human "pack mates". I know the feeling of complete confidence that your dog would never react in any way but in a loving nature with kids. Now that can only mean your dog like all dogs are: Man's Best Friend.