In Haruki Murakami's "Norwegian Wood," the protagonist reflects on the nature of Sundays in his life, contemplating the countless quiet, peaceful, yet lonely days that await him. This introspection reveals his sense of isolation and the repetitive nature of his existence. The Sundays symbolize a time of stillness where he finds himself alone with his thoughts.

The mention of not winding his spring on those days emphasizes a deliberate choice to disengage from the hustle and bustle of life, highlighting a desire for simplicity amidst solitude. This moment encapsulates a yearning for tranquility while also hinting at potential melancholy associated with recurring loneliness.