日当(ひあ)たり

ひあたり
noun
sun exposure; sunlight; sunny aspect
buildingweather
1. sun exposure; sunlight; how much sun a place gets
The amount of sunlight a room or location receives. A crucial factor in Japanese real estate and home comfort.
この部屋(へや)は日当(ひあ)たりがいい。
This room gets good sunlight.
South-facing rooms get good sun exposure.
日当(ひあ)たりの悪(わる)い部屋(へや)は湿気(しっけ)がたまりやすい。
Rooms with poor sun exposure tend to accumulate moisture.

Etymology

日(ひ) (sun) + 当(あ)たり (hitting, exposure)

Literally "sun hitting" - how much sunlight reaches a place.

Cultural note

日当(ひあ)たり is crucial in Japanese housing because:

  • 南向(みなみむ)き (south-facing) rooms are preferred
  • Good sunlight = natural warmth = lower heating costs
  • Poor 日当(ひあ)たり leads to 湿気(しっけ) (dampness) and mold
  • Affects mental well-being and plant growth

Common expressions

USAGE (real estate):