The theme of heroism could be prominent in the 'one day war story'. In a short period, individuals might perform extraordinary acts of courage. Additionally, the theme of chaos and order might be explored. There's the chaos of the battle, but also the need to restore some sort of order by the end of the day, whether it's on the battlefield or in the society affected by the war.
Another theme could be transformation. For example, a person who is shy and reserved during the day might have an encounter during the night that changes them. Maybe they meet a group of musicians and by the next day, they are inspired to pursue music themselves. There could also be a theme of survival. If someone is stranded in a desert or on a mountain during one day and one night, their struggle to survive can be a central theme.
One possible plotline could be that two rival factions suddenly engage in a war in the morning. As the day progresses, there are battles in the city streets, and by the end of the day, a truce is reached due to unexpected circumstances.
One possible theme could be salvation. If the hymn was written after a day of religious conversion or a realization of God's grace, salvation would be a central theme.
The story might have themes related to self - discovery. In a short time frame of one day and a half, the characters could go through experiences that make them realize something new about themselves. Another theme could be about the unexpected. Because it's a short period, things that happen suddenly and change the course of the story could be emphasized, showing how life can be full of surprises even in a short time.
One possible theme could be personal growth. A character might start the day with a certain mindset and through the events of the day, they grow and change.
Themes in 'one winter's day story' could include isolation. In winter, people or animals might be more isolated due to the cold. It could also be about hope, like the hope for spring to come. And perhaps a theme of transformation, as the cold of winter can change the landscape and the characters in the story. In the story, a character might start off feeling lonely in the cold winter but then find a sense of community or purpose as the story progresses. For example, a hermit - like figure might start to help others in the village during a difficult winter, and through that, his own life is transformed.
One possible theme could be renewal. Since it involves 'dawn', which is associated with new starts, the story might be about starting fresh on a fine day.
One key theme could be the futility of war. Even if it's just one day, the destruction and loss are significant. Another theme might be heroism, as some characters may show great courage during that day.
Survival is likely a theme. How people manage to stay alive in the aftermath of a nuclear war, with scarce resources and a hostile environment.
One of the main themes might be the passage of time and its effects on the character. 'One Day' gives a sense of a future moment when things will change. It could also be about self - discovery. The 'darken' part might imply that she will discover something about herself that is not so pleasant or that will change her in a significant way. Additionally, themes of regret or redemption could be present depending on what she has done in the past that is related to this 'darkening' process.