1.
day
A 24-hour period.
My physical condition varies from day to day, so I try not to push myself.
2.
sun, sunlight
Light from the sun.
The native word ひ covers both "day" and "sun". The kanji 日 has other readings in compounds and dates, which learners meet constantly.
Pronunciation
- にち / にっ / に: in compounds (日曜日, 日光, 日本)
- じつ: in formal compounds (本日, 休日)
- か: in dates from 2 to 10 and 20 (二日, 三日, 二十日)
Common collocations
- 雨の日: a rainy day
- 日によって: depending on the day
- 日が昇る / 沈む: the sun rises / sets
- 日に当たる: to be in the sun
- 日が長い / 短い: the days are long / short