a period of time occupying a regular part of a calendar year that is used for some particular activity
the period of time that it takes for a planet (as, e.g., Earth or Mars) to make a complete revolution around the sun
1. This job puts years on you.
2. The city celebrated its third century of existence last year.
3. The city's hockey team won the championship last year.
4. Years of smoking and drinking has taken a toll on her health.