April

True position of the Sun

Length of day | Length of day | Length of night

The following headers are abbreviated astronomical terms for degrees, minutes, and hours

Day	GN/DLGolden Number and Dominical Letter used to calculate the date of Easter	Num	Feast	Position of the Sun	Length of Day 1	Length of Day 2	Length of Night
1	11 g			20 12	13 22	14 22	2 11
2		x		21 12	13 26	14 40	2 12
3		b 3	Saint Richard, Bishop Richard of Chichester (d. 1253)	22 11	13 30	14 46	2 13
4	19 c	2	Saint Ambrose, Bishop Ambrose of Milan, one of the four original Doctors of the Church	23 9	13 33	15 1	2 15
5	8 d			24 4	13 37	15 7	2 17
6	16 e	8		25 0	13 41	15 13	2 16
7	5 f	7		26 5	13 45	15 19	2 17
8		g 6		27 2	13 49	15 25	2 18
9	13	5		28 0	13 53	15 31	2 19
10	2 b	x		28 48	13 56	15 36	2 20
11		c 3		29 46	13 0	15 42	2 21
12	10 d	2		Taurus, 1 degree	13 8	15 38	2 22
13		e		1 43	13 8	15 56	2 25
14	18 f	18	Saints Tiburtius and Valerian	2 40	13 11	15 1	2 25
15	7 g	14		3 38	13 15	15 7	2 26
16		a 16		4 36	13 19	15 14	2 28
17	15 b	15		5 33	13 22	15 20	2 30
18	4 c	13		6 32	13 26	15 26	2 32
19		d 13	Saint Alphege, Bishop Anglo-Saxon Bishop of Winchester and Martyr (d. 1012)	7 30	13 30	15 32	2 35
20	12 e	12		8 37	13 33	15 42	2 39
21	1 f	11		9 35	13 37	15 48	2 37
22		g 10		10 33	13 40	15 55	2 39
23	9	9	Saint George, Martyr	11 30	13 44	16 2	2 41
24		b 8		12 28	13 47	16 9	2 43
25	17 c	7	Saint Mark, Evangelist	13 26	13 51	16 17	2 45
26	6 d	6		14 23	13 54	16 24	2 47
27		e 5		15 21	13 58	16 31	2 49
28	14 f	4	Saint Vitalis, Martyr	16 18	14 1	16 39	2 50
29	3 g	3		17 16	14 5	16 45	2 52
30			2	Saint Erkenwald Bishop of London (d. 693); his presence suggests an English, specifically London, provenance	18 13	14 11	16 52

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