What two ways does Brian measure time which way has the most meaning for him and why?

In "Hatchet," Brian measures time by the changing seasons and the physical passage of days, often marked by his daily routines and survival tasks. The most meaningful way for him is through the natural progression of the seasons, as it reflects his growth and adaptation to the wilderness. This connection to nature symbolizes his transformation and resilience, highlighting his journey from despair to self-reliance. The changing seasons also serve as a reminder of the cycle of life, reinforcing his hope and determination to survive.