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The third parallel differs from the equator by 2/4 hours 30 minutes, having a maximum day length of 12 2/4 hours.
The second parallel differs from the equator by 1/2 hour, and has a maximum day length of 12 and a half hours.
The first parallel differs from the equator by 1/4 hour, having a maximum day length of 12 1/4 hours.
The equator original: equinoctialis, the line where day and night are always equal has a day of 12 hours continually and always.
The first parallel toward the south original: versus austrum differs from the equator by 1/4 hour, having a maximum day length of 12 with a quarter.
| Region | Longitude | Latitude |
|---|---|---|
| Ireland original: Ibernia, a British island | 11 | 58 1/2 |
| Albion Great Britain, a British island | 20 | 54 |
| Baetic Spain Southern Spain/Andalusia | 7 1/3 | 38 1/3 |
| Lusitanian Spain Portugal and parts of Western Spain | 8 | 39 1/2 |
| Tarraconensian Spain Northern and Eastern Spain | 11 | 42 |
| Aquitanian Gaul Southwestern France | 18 | 43 1/2 |
| Lugdunensian Gaul Central and Northwestern France | 23 | 48 |
| Belgic Gaul Northeastern France and the Low Countries | 26 | 47 |
| Narbonensian Gaul Southeastern France/Provence | 22 | 44 1/2 |
| Greater Germany | 34 | 52 |
| Raetia and Vindelicia The Alpine regions and southern Germany | 32 1/2 | 46 1/3 |
| Noricum Modern-day Austria and parts of Slovenia | 37 | 46 |
| Upper Pannonia Modern-day eastern Austria and western Hungary | 39 1/2 | 47 |
| Illyria The western Balkan Peninsula | 41 | 44 |
| Dalmatia | 44 | 42 1/4 |
| Region | Longitude | Latitude |
|---|---|---|
| Italy | 36 | 41 1/3 |
| Corsica original: Cyrnos, an island | 31 | 40 |
| Sardinia, an island | 31 | 37 |
| Sicily, an island | 39 | 36 |
| Sarmatia in Europe Eastern Europe/Western Russia | 57 | 56 |
| Tauric Chersonese The Crimea | 62 | 48 |
| The Displaced Iazyges original: Iaziges metanaste, a nomadic tribe in the Hungarian plain | 43 | 48 |
| Dacia Roughly modern Romania | 49 | 49 |
| Upper Moesia Parts of modern Serbia and North Macedonia | 43 | 43 |
| Lower Moesia Parts of modern Bulgaria | 46 | 45 |
| Thrace | 43 | 45 |
| The Chersonese Likely the Thracian Chersonese/Gallipoli | 55 1/2 | 41 |
| Macedonia | 50 | 41 |
| Epirus Northwestern Greece/Southern Albania | 45 | 38 |
| Achaia Central Greece | 50 | 37 |
| Euboea, an island | 53 1/2 | 37 |
| Peloponnese Southern Greece | 50 1/2 | 36 |
| Crete, an island | 54 | 35 |
| Region | Longitude | Latitude |
|---|---|---|
| Mauritania specifically Mauritania Tingitana/Northern Morocco | 8 | 33 |
| Caesarian Mauritania Northern Algeria | 18 | 32 |
| Numidia | 30 1/2 | 30 |
| Africa The Roman province, roughly modern Tunisia | 36 | 31 |
| Cyrenaica, which is also Pentapolis Eastern Libya | 40 | 28 |