Tyvendedagen (Norway) by GBTribeNOW | Jul 18, 2017 Calendar When: January 13, 2017 all-day Repeats 2017-01-13T00:00:00-07:00 2017-01-14T00:00:00-07:00 Tyvendedagen or “Twentieth Day” marks the end of the Christmas festivities in Norway.