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)

March (Julian) March (Gregorian)
1	KAL MRS		14
2	VI NNS		15
3	V		16
4	IIII		17
5	III		18
6	II		19
7	NNS		20
8	VIII IDS		21
9	VII		22
10	VI		23
11	V		24
12	IIII		25
13	III		26
14	II		27
15	IDS		28
16	XVII KAL APLS		29
17	XVI		30
18	XV		31
April (Gregorian)
19	XIIII		1
20	XIII		2
21	XII		3
22	XI		4
23	X		5
24	VIIII		6
25	VIII		7
26	VII		8
27	VI		9
28	V		10
29	IIII		11
30	III		12
31	II		13