"Поворот к зиме" is not a name. Small calendar fix, that doesn't affect this bug.
-- sergio.
diff -Naur bsdmainutils/usr.bin/calendar/calendars/ru_RU.KOI8-R/calendar.pagan bsdmainutils-minor-fix/usr.bin/calendar/calendars/ru_RU.KOI8-R/calendar.pagan --- bsdmainutils/usr.bin/calendar/calendars/ru_RU.KOI8-R/calendar.pagan 2018-01-30 13:07:30.000000000 +0300 +++ bsdmainutils-minor-fix/usr.bin/calendar/calendars/ru_RU.KOI8-R/calendar.pagan 2020-07-27 01:35:59.344754522 +0300 @@ -33,7 +33,7 @@ 21 Á×Ç. äÅÎØ óÔÒÉÂÏÇÁ 28 Á×Ç. õÓÐÅÎÉÅ úÌÁÔÏÇÏÒËÉ 14 ÓÅÎÔ. äÅÎØ ÷ÏÌÈÁ úÍÅÅ×ÉÞÁ -22 ÓÅÎÔ.* ðÏ×ÏÒÏÔ Ë ÚÉÍÅ (ÏÓÅÎÎÅÅ ÒÁ×ÎÏÄÅÎÓÔ×ÉÅ) +22 ÓÅÎÔ.* ïÓÅÎÎÅÅ ÒÁ×ÎÏÄÅÎÓÔ×ÉÅ 10 ÎÏÑÂ. äÅÎØ íÁËÏÛÉ 21 ÎÏÑÂ. äÅÎØ ó×ÁÒÏÇÁ É óÅÍÁÒÇÌÁ 9 ÄÅË. äÅÎØ äÁÖØÂÏÇÁ É íÁÒÅÎÙ diff -Naur bsdmainutils/usr.bin/calendar/calendars/ru_RU.UTF-8/calendar.pagan bsdmainutils-minor-fix/usr.bin/calendar/calendars/ru_RU.UTF-8/calendar.pagan --- bsdmainutils/usr.bin/calendar/calendars/ru_RU.UTF-8/calendar.pagan 2020-07-23 15:53:53.000000000 +0300 +++ bsdmainutils-minor-fix/usr.bin/calendar/calendars/ru_RU.UTF-8/calendar.pagan 2020-07-27 01:34:34.593052438 +0300 @@ -33,7 +33,7 @@ 21 авг. ÐÐµÐ½Ñ Ð¡ÑÑибога 28 авг. УÑпение ÐлаÑогоÑки 14 ÑенÑ. ÐÐµÐ½Ñ ÐÐ¾Ð»Ñ Ð° ÐмеевиÑа -22 ÑенÑ.* ÐовоÑÐ¾Ñ Ðº зиме (оÑеннее ÑавноденÑÑвие) +22 ÑенÑ.* ÐÑеннее ÑавноденÑÑвие 10 ноÑб. ÐÐµÐ½Ñ ÐакоÑи 21 ноÑб. ÐÐµÐ½Ñ Ð¡Ð²Ð°Ñога и СемаÑгла 9 дек. ÐÐµÐ½Ñ ÐажÑбога и ÐаÑенÑ