A game round starts in the year 1467 and ends in the year 1615. A game round may end earlier, if a clan takes the Shogunate and reinstates central authority in Japan.
| In Game | Real |
|---|---|
| 1 year | 1 day |
| 1 season | 6 hours |
| 1 month | 2 hours |
| 1 day | 4 minutes |
| 1 part of day | 1 minute |
A game day is divided into 4 parts:
The part of day affects the weather. Rain for instance decreases the strength of missile units and fog or heavy thunderstorms allows ambushes on the battlefield.
A full length game round is divided into 4 periods. Some buildings become available for construction in later periods. These periods are:
| Period | Range | Duration (in game years) | Buildings | Role |
|---|---|---|---|---|
| Higashiyama period | 1467-1490 | 23 | ||
| Sengoku period | 1490-1543 | 53 | ||
| Nanban period | 1543-1568 | 25 | Teppojutsu Dojo | Jesuit |
| Azuchi-Momoyama period | 1568-1615 | 47 | citadel, kabuki theatre |
Nanban period
Arquebuses and the role of Jesuit are not available untill the Nanban period.
Azuchi-Momoyama period
Citadels and kabuki theatres are not available untill the Azuchi-Momoyama period.