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A large diagram representing a calendar table for the month of August, containing columns for the Golden Number, Dominical Letter, Roman calendar dates (Kalends, Nones, Ides), Feast Days, Zodiacal position, sunrise/sunset times, and stellar risings/settings.
| Golden Number | | Feast of the Saints | Place | Temp. | Rise | Merid. | Rise & setting of stars |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 3 | C | Kal. | 1 St. Peter's Chains | 17 ♌ | 55 10 | 26 9 | 50 16 | 55 | * 43. m. rise |
| | D | 6 k. | 2 Stephen, pope & martyr | 18 | 53 10 | 28 9 | 53 16 | 56 | * 42. m. rise |
| 2 | E | 5 k. | 3 Stephen, protomartyr | 19 | 50 10 | 31 9 | 56 16 | 58 | |
| | F | 4 k. | 4 Agabius, bish. of Verona | 20 | 48 10 | 33 9 | 59 16 | 59 | * 84. ev. rise |
| 10 | G | 3 k. | 5 Mary of the Snows | 21 | 46 10 | 36 10 | 2 17 | 1 | * 85. ev. rise |
| 18 | A | Prid. | 6 Transfiguration of the Lord | 22 | 43 10 | 38 10 | 4 17 | 2 | |
| 7 | B | Nones | 7 Donatus, bishop & martyr | 23 | 41 10 | 40 10 | 7 17 | 4 | * 44. m. rise |
| 15 | C | 8 id. | 8 Cyriacus, Largus | 24 | 39 10 | 42 10 | 10 17 | 5 | * 81. ev. rise |
| | D | 7 id. | 9 Firmus & Rusticus, Vigil | 25 | 37 10 | 45 10 | 13 17 | 7 | |
| 4 | E | 6 id. | 10 Lawrence, martyr | 26 | 35 10 | 47 10 | 16 17 | 8 | |
| | F | 5 id. | 11 Tiburtius & Susanna | 27 | 33 10 | 49 10 | 19 17 | 10 | * 56. ev. set |
| 12 | G | 4 id. | 12 Clare, virgin | 28 | 30 10 | 52 10 | 22 17 | 11 | * 92. m. set |
| | A | 3 id. | 13 Hippolytus & companions | 29 ♍ | 28 10 | 54 10 | 25 17 | 13 | * 33. m. rise |
| 1 | B | Prid. | 14 Eusebius, presbyter, Vigil | 0 | 26 10 | 56 10 | 27 17 | 14 | * 41. m. rise |
| 9 | C | Ides | 15 Assumption of the Virgin Mary | 1 | 24 10 | 59 10 | 30 17 | 15 | * 42. ev. set |
| | D | 17 k. | 16 Roch, confessor | 2 | 22 11 | 1 10 | 33 17 | 16 | |
| 17 | E | 16 k. | 17 | 3 | 20 11 | 3 10 | 36 17 | 18 | |
| 6 | F | 15 k. | 18 Agapitus, martyr | 4 | 18 11 | 6 10 | 39 17 | 19 | |
| | G | 14 k. | 19 Aloysius, bishop | 5 | 16 11 | 7 10 | 42 17 | 21 | * 82. m. set |
| 14 | A | 13 k. | 20 Bernard, abbot | 6 | 15 11 | 9 10 | 45 17 | 22 | * 88. m. set |
| 3 | B | 12 k. | 21 Euprepius, bish. of Verona | 7 | 13 11 | 11 10 | 48 17 | 24 | |
| 11 | C | 11 k. | 22 Symphorian, martyr | | 11 11 | 14 10 | 52 17 | 26 | * 49. m. rise |
| | D | 10 k. | 23 Moderatus, bishop, Vigil | 9 | 10 11 | 16 10 | 55 17 | 27 | * 50. m. rise |
| 19 | E | 9 k. | 24 Bartholomew, Apostle | 10 | 8 11 | 18 10 | 59 17 | 29 | * 57. m. rise |
| | F | 8 k. | 25 Louis, virgin | 11 | 6 11 | 20 11 | 2 17 | 30 | |
| 8 | G | 7 k. | 26 Zephyrinus, pope | 12 | 5 11 | 22 11 | 5 17 | 32 | |
| 16 | A | 6 k. | 27 Rufus, martyr | 13 | 3 11 | 24 11 | 8 17 | 34 | |
| | B | 5 k. | 28 Augustine, bishop | 14 | 2 11 | 26 11 | 11 17 | 35 | * 43. ev. set |
| 5 | C | 4 k. | 29 Beheading of St. John the Baptist | 15 | 0 11 | 29 11 | 14 17 | 36 | |
| | D | 3 k. | 30 Felix & Adauctus | 15 | 59 11 | 31 11 | 16 17 | 38 | * 95. m. set |
| 13 | E | Prid. | 31 Felix, confessor | 16 | 57 11 | 33 11 | 19 17 | 39 | |