Magh Bihu
Sidereal winter solstice's eve celebrations in South and Southeast Asian cultures; the last day of the six-month Dakshinayana period (see January 14):
Uruka (Assam)
Lohri
Sidereal winter solstice's eve celebrations in South and Southeast Asian cultures; the last day of the six-month Dakshinayana period (see January 14):
Lohri (Punjab, Haryana, Himachal Pradesh)
Bhogi
Sidereal winter solstice's eve celebrations in South and Southeast Asian cultures; the last day of the six-month Dakshinayana period (see January 14):
Bhogi (Andhra Pradesh, Tamil Nadu)
Malanka
Old New Year's Eve (Russia, Belarus, Ukraine, Serbia, Montenegro, Republic of Srpska, North Macedonia), and its related observances:
Malanka (Ukraine, Russia, Belarus)
January 13 (Eastern Orthodox liturgics)
Christian feast day:
January 13 (Eastern Orthodox liturgics)
Saint Knut's Day
Christian feast day:
St. Knut's Day or Tjugondag Knut, the last day of Christmas. (Sweden and Finland)
