Why do you think hersey is so precise in noting the exact date and time?

Hersey's precision in noting the exact date and time serves to anchor his narrative in a specific historical context, emphasizing the gravity and immediacy of the events he describes. This meticulous detail enhances the authenticity of the accounts, allowing readers to grasp the timeline of the disaster and its impact on individuals. It also underscores the randomness of tragedy, illustrating how lives can change in an instant. By providing these specifics, Hersey deepens the emotional resonance of the stories he tells.