Astrology Research: Historical Changes in New Year's Day

The New Year's Day from The Book of Calendars, Frank Parise, editor, Publication: Facts on File, Inc, New York, 1982

4th-8th Centuries:
1 Jan	Germany, generally to 8th Century Hungary, in part; Denmark in part Gregory of Tours, chronicler, in part Venice, civil and common year
1 March	Gregory of Tours, chronicler, in part Council of Verdun -- 755 - France, until 800 Germany in part, 5th-10th Centuries Venice, legal documents Thassilo of Bavaria, 8th Century Fredergarius, chronicler
Easter	Council of Tours - 755
1 May	Annalis Pitaviennes
12 August	Denmark in part
1 November	Celts until 1179, 1 yr early until 1014
25 December	Mayence until 15th Century England, 7th Century thru 1338 (one year behind) Cyprus Denmark in part, Hungary in part
9th Century:
25 March	France after 800 until 996 Tuscany and Florence until 1750 Pisa, Lucca, Sienna, Lodi, until 1745, but 1 year behind
25 December	Genoa, Savona, Liguria
10th Century:
1 March	Germany in part, 919-1138 Sicily Cahors, Rodez, Tulle until 1290 Aragon, until 1350, Spanish Era Switzerland, until 14th Century Portugal, until 1420, Spanish Era
Good Friday	Delft; Dordrecht; Brabant
Easter	France, 996-1051, 1 yr behind England, church records, 1 yr behind Holland; Flanders; Nainault
25 December	Germany, general use thru 12th Century Mayence, until 15th Century Low Countries; Guelders; Friesland
11th Century:
1 January	Straussburg, except 1004
25 March	Sicily, 1099 until 15th Century
Easter Eve	France, generally when Paschal taper lit
Easter	English holdings in France 1066-1453, in which case words "more Gallicano" are added
25 December	Straussburg, 1004 only English holdings in France 1066-1453 (without "more Gallicano") Note: During 11th and 12th Centuries, some chroniclers added 22 or 23 yrs to their reckonings
12th Century:
1 March	Gregory of Tours, chronicler, in part
25 March	England, church documents
Easter	Gelasius, 1118 and 1119
1 November	Celtic calendar until 1172, after that as English
25 December	Poissons; Amiens
13th Century:
1 January	Picardy after mid-century
25 March	Rheims, until 1390 Cahors, Rodez, Tulle until 1289 Leige, until 1334 Treves, until 1652
25 December	Milan, thru 15th Century
14th Century:
1 January	Switzerland
25 March	England, Civil year after 1339 Aragon until 1350 Castile and Segovia until 1383 Utrecht until 1333 Leige until 1334
Easter	England, church from 1339 Cologne "style of the court" Rheims after 1390 France, except English holdings 1363 on
1 July	Sicily until 17th Century
25 December	Portugal after 1420
15th Century:
1 January	Germany, Venice, Alsace, 1508 on Hungary, 1520 on Rome, 1525 Holland, 1533 on France in part, 1563 (edict of Charles IX) France, 1567 (year 1566, 14 Apr-31 Dec) Low Countries, 1575 Burgundy, 1576 Beauvais, Louvaine, 1580 Scotland, 1600, but used Old Style calendar Note: For changes after 15 October, 1582, see country listings in Gregorian calendar.
18th Century:
	Russia: the day after December 31 (7208 since world creation) became January 1, 1700. In ancient Russia, the New Year was March 1st. In the mid-14th century, the Russian Orthodox Church, according to the Council of Nicea, changed New Year Day to September 1st, Byzantian calendar.

Historical Changes in New Year's Day

4th-8th Centuries:

9th Century:

10th Century:

11th Century:

12th Century:

13th Century:

14th Century:

15th Century:

18th Century: