Then we can calculate theorically from 26-27 november to 21 december the number of days..24..then we add these days and we have 14-15 January for the end of polar night..it's correct theorically.......but you have the other story of hills....
"And ever has it been that love knows not its own depth until the hour of separation" (Gibran Khalil).
Thanks for informations about Chelavska!
Segnalibri