Often used in meteorological, agricultural, or energy contexts to refer to the amount or duration of sunlight.
今日は日照時間が短い。
The duration of sunlight is short today.
日照不足で作物の生育が遅れている。
Crop growth is delayed due to a lack of sunlight.
This apartment has good sunlight conditions.
The vegetables' growth is delayed due to a lack of sunshine.
This area enjoys abundant sunshine all year round.