This is the 189th most frequent Lithuanian word.
naktį
"At night."
The word "naktį" functions as an adverb of time indicating the period during which the action takes place.
Mėgstu žiūrėti žvaigždes vėsią naktį.
I enjoy watching stars on a cool night.
Here "naktį" specifies the condition or time setting providing context for the action or state.
Naktį Vilnius atrodo ypač gražiai.
At night, Vilnius looks particularly beautiful.
In this case, "naktį" is used to emphasize the duration or time frame of an activity being discussed.