This is the 64th most frequent Slovak word.
štvrtok
Thursday
Here, 'štvrtok' is used as a noun to denote the day of the week Thursday.
Štvrtok je deň v týždni.
Thursday is a day of the week.
In this sentence, 'štvrtok' is used as a noun to specify a recurring day.
Každý štvrtok chodím na plaváreň.
Every Thursday, I go to the swimming pool.
Here, 'štvrtok' identifies the specific day when the planned trip will take place.