Our last Seabourn cruise was late last year, 2 back to backs. I couldnt believe the difference in guests dress between the two cruises. Cruise 1, was Copenhagen to Copenhagen via St Petersburg, 14 days........on Formal nights there were a much smaller number of tux's etc than I have normally seen, then Cruise 2....Copenhagen to London, 12 days.....more Formal dress than I have ever seen!! Same general area, same temperature, same length of crusie, same age group....different dress code?? Seemed very strange.