Reference Centre, Calendars-Calculators

Julian Calendar to Gregorian Calendar
            Table of Date Changes

COUNTRY YEAR GREGORIAN ADOPTED DATES AFFECTED ADOPTED NEW YEAR 1 January
Albania Circa 1912 None stated  
Austro-Hungarian Empire 1584 7 Jan became 17 Jan  
Belguim 1582 11 Mar became 21 Mar 1556
Bulgaria 1915 None Stated  
China 1912 None Stated  
Denmark 1700 19 Feb became 1 Mar 1559
Estonia Circa 1917 None Stated  
Finland 1753 18 Feb became 1 Mar  
France & possessions 1582 10 Dec became 20 Dec  
France Republican Calendar 1793-1805 1564
Germay - Catholic States 1582 None Stated 1544, Lorraine 1579
Germany - Protestant States 1700 19 Feb became 1 Mar 1544
Germany - Ausburg 1583 14 Feb became 24 Feb 1544
Germany - Lousitz & Silesia 1584 13 Jan became 23 Jan 1544
Germany - Paderborn 1585 17 June became 27 June 1544
Germany - Pfalz-Neuberg 1615 14 Dec became 24 Dec 1544
Germany - Prussia 1612 23 Aug became 2 Sept 1559
Great Britain & Colonies 1752 3 Sept became 14 Sept England & Wales 1752,
Scotland 1600
Greece 1923 Changed during February  
Hungary 1587 None Stated  
Italy 1582 None Stated Venice 1522
Tuscany 1751
Japan 1872 None Stated  
Latvia 1917 None Stated  
Lithuania 1917 None Stated  
Luxembourg 1582 None Stated  
Netherlands - Catholic 1582 15 Dec became 25 Dec Spanish 1556
Netherlands - Protestant 1700 19 Feb became 1 Mar 1583
Norway 1700 19 Feb became 1 Mar  
Poland 1582 5 Oct became 15 Oct  
Portugal 1582 5 Oct became 15 Oct 1556
Romania 1919 None Stated  
Russia 1917 1921 1725
Russia - Greek, Serbian and Roumanian churches 1923 None Stated  
Spain 1582 5 Oct became 15 Oct 1556
Sweden 1700-1740, all leap years eliminated Change was gradual 1559
Switzerland - Catholic 1583 None Stated  
Switzerland - Protestant 1780 19 Feb became 1 Mar  
Switzerland - Gallen 1724 None Stated  
Switzerland - Glarus & Appenzell 1798 None Stated  
Switzerland - Granbueden 1798 None Stated  
Turkey 1917 None Stated  
Yugoslavia 1919 None Stated  

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