1099 m.) was an important marker for the tribal calendar establishing the seasons. Along with the peak of the same name in Alsace (Alsatian Belchen) and Black Forest (Black Forest Belchen), it allowed the establishment of the winter and summer solstice.
The 1099 m.) played a pivotal role in establishing the tribal calendar's seasonal framework. Similarly, the peak in Alsace (Alsatian Belchen) and Black Forest (Black Forest Belchen) contributed to the determination of the solstices, namely winter and summer.