Note that when telling the time, Norwegians use 'half' as signifying 'half before' rather than 'half past'. Always double-check unless you want to be an hour late! Although the 24-hour clock is used in some official situations, you'll find people generally use the 12-hour clock in everyday conversation.
Norway shares the same time zone as most of Western Europe (GMT/UTC plus one hour during winter, and GMT/UTC plus two hours during the daylight-saving period). Daylight saving starts on the last Sunday in March and finishes on the last Sunday in October.
Note the following time differences:
Australia During the Australian winter (Norwegian summer), subtract eight hours from Australian Eastern Standard Time to get Norwegian time; during the Australian summer, subtract 10 hours.
Finland One hour ahead of Norway.
Russia One hour ahead of Norway.
Sweden and Denmark Same time as Norway.
UK and Ireland One hour behind Norway.
USA USA Eastern Time six hours behind Norway, USA Pacific Time nine hours behind Norway.