From the Client Area, access the free and paying interfaces of the Culture Diff' softwares leading to solve various archaeoastronomical problematics: the determination of the dates of heliacal rising and setting of any star visible to the naked eye, the days of solstices and equinoxes, the astronomical source of orientation of any monument erected since the year 4712 before our era.
To access the full interface of the Culture Diff' softwares, please enable the Cookies option of your browser,
enter your e-mail address and your password in the fields below then click the Proceed button:
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