Archaeologists used records of Sothic years to refine the chronology of ancient Egypt.

Large spiral arms can persist for several galactic years before dissolving.

Astronomers calculated that the distant system would need dozens of Platonic years to settle into a stable orbital configuration.

The contract remains valid for the next five civil years.

Astronomers study the timing of the Great Years to understand Earth's long-term climate cycles.

After studying history, she realized that dragon years often coincided with dramatic shifts in trade and culture.

The company adjusted its depreciation schedule to reflect losses over several accounting years.

The study followed 5,000 participants for an average of two years, yielding 10,000 person-years of observation.

Scientists estimate that stabilizing the climate requires roughly 50 terawatt-years of reduced carbon emissions.

The company's year-over-year revenue growth surprised analysts.