Old Norse Calendar 2025 Calendar. The old icelandic calendar is a unique calendar that was used as the civil calendar in iceland from the 10th to the 18th century. Orthodox new year for the year 2025 is celebrated/ observed on tuesday, january 14th.

Learn about the old calendar used by the norse and icelandic. Orthodox new year for the year 2025 is celebrated/ observed on tuesday, january 14th.