Well, it may explore themes of time, as the title 'Stories in Half a Day' implies. It could be about how much can happen within a limited time frame. Also, it might touch on themes of personal growth or self - discovery, as characters in the stories could be going through changes during these short - time stories. And there could be themes related to society and its norms, as the stories are likely set within a certain social context.
I think some of the themes in 'Stories in Half a Day and Other Stories' might be about the transient nature of life. In just half a day, a lot can change, and this could be reflected in the stories. There could also be themes of hope and despair. Maybe some characters face difficult situations within that short time but still hold on to hope. Additionally, themes of family and friendship are likely, as these are common elements in many stories. We might see how relationships are tested or strengthened within the short - time frame of half a day or in the other stories included.