The list of calendar events for a month

• Kalendarium de Carmona (VI cent.)
• Antiphonarium Legionense (X cent. med.)
• Kalendarium Cordubensis (961)
• Codex Vigilanus seu Albeldensis (975)
• Codex Aemilianensis (994)
• Kalendarium de Ripolli (X cent. ex.)
• Liber ordinum sacerdotal (X cent. ex.)
• Liber ordinum episcopal (1052)
• Liber horarum (1055)
• Liber commicus (1067)
• Etymologiarum cum kalendario (1072)
• Missale cum kalendario, fragm. I (XI ex.)
• Kalendarium Mozarabicum, fragm. II
• Santoral de Saint-Michel de Cuxa (XII cent. med.)
• Missale Mixtum (1500)
• Breviarium Gothicum (1502)
• Kalendarium Gothicum (1775)

December (Julian) December (Gregorian)
1	KAL DCMRS		14
2	IIII NNS		15
3	III		16
4	II	Barbarae virginis et martyris	17
5	NNS		18
6	VIII IDS	Sancti Nicolai episcopi et confessoris	19
7	VII		20
8	VI		21
9	V	Leocadiae virginis	22
10	IIII	Eulaliae virginis et martyris	23
11	III		24
12	II	Eugeniae virginis et martyris	25
13	IDS		26
14	XVIIII KAL INRS	Justi et Abundi martyrum	27
15	XVIII		28
16	XVII		29
17	XVI		30
18	XV	ANNUNTIATIO SANCTAE MARIAE VIRGINIS	31
January (Gregorian)
19	XIIII		1
20	XIII		2
21	XII	Thomae Apostoli	3
22	XI		4
23	X		5
24	VIIII		6
25	VIII	Nativitas Domini nostri Jesu Christi	7
26	VII	Stephani martyris	8
27	VI	Joannis apostoli et evangelistae	9
28	V	Sanctorum Innocentum	10
29	IIII	Jacobi fratris Domini	11
30	III	Jacobi fratris Joannis apostoli et evangelistae	12
31	II	Columbae virginis	13