Summer:
* Sal begins her journey: She leaves her home in Bybanks, Kentucky, with her grandmother, to visit her mother in Lewiston, Idaho.
* Travel by car and bus: This journey takes approximately 3 weeks, as Sal and her grandmother drive for a few days and then take a bus for the rest of the trip.
* Sal's grandmother dies: This likely happens within the first week of their arrival in Lewiston.
* Sal stays with her mother: Sal spends a few weeks living with her mother, adjusting to her new environment and family.
Fall:
* Sal visits Phoebe: Sal visits Phoebe, her best friend who lives in a nearby town.
* Sal's mother leaves: This occurs during the fall, and we don't have a definite timeline for this.
* Sal stays with her mother's friend: She stays with her mother's friend, Mrs. Cadaver, for a while.
* Sal continues her journey: She begins her journey back home, this time by bus.
Winter:
* Sal returns to Bybanks: Sal returns to Bybanks during the winter. This could be near the end of fall or the beginning of winter.
* Sal's father informs her about her mother's whereabouts: This happens shortly after Sal returns home.
* Sal visits her father and Phoebe: She visits her father and Phoebe, and the story ends.
Overall, the story spans a period of approximately a few months, likely from the summer to early winter.
It's important to note that the novel focuses on Sal's emotional journey and her self-discovery, rather than meticulously tracking time. The timeline serves as a backdrop for the exploration of her feelings and the important relationships in her life.