Spitsbergen uses CET/Greenwich Mean Time +1 (GMT +1). This means that if it is 22:00 GMT (10 p.m.) during your cruise to Spitsbergen, it would be 16:00 (4 p.m.) in New York City, USA, 21:00 (9 p.m.) in London, U.K. and 09:00 (9 a.m.) the next morning in the Antarctic South Pole.