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.
|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|
|Nanban period||1543-1568||25||Teppojutsu Dojo||Jesuit|
|Azuchi-Momoyama period||1568-1615||47||citadel, kabuki theatre|
Arquebuses and the role of Jesuit are not available untill the Nanban period.
Citadels and kabuki theatres are not available untill the Azuchi-Momoyama period.