This is the 8411th most frequent Turkish word.
ogün
The Turkish word "o gün" means "that day" in English.
Here, 'ogün' means 'that day,' referring to a specific past day.
Ogün çok güzel bir gündü.
That day was a very beautiful day.
In this sentence, 'Ogün' is used as a proper noun, serving as someone's name.
Ogün bizimle birlikte gelmek istemedi.
Ogün did not want to come with us.
Here, 'ogün' signifies a future day that has been specified in conversation.