NEW Editor now supports starting season. In odd turns per year the starting season lasts 1 turn shorter than the other season. E.g. 3 turns per year with winter start = winter, summer, summer.
Editor application available. Simply start the Turns Editor, open a save game or a campaign file, enter the number of turns you want and press save.
The application requires that Microsoft .Net 3.5 framework is installed. If you don't have it get it here
Spoiler Alert, click show to read: