寒夜 is read as かんや (kanya) and means cold night.
かんや
kanya
よさむ
night cold
かんき
chill
さぶい
cold (e.g. weather)
さむさ
coldness
かんれい
cold
かんちゅう
mid-winter
かんぷう
cold wind
かんてん
agar-agar
かん
midwinter
さむざむ
wintry
さむけだつ
to feel cold
さくや
evening