When to use sun in Korean
Korean: 해[ hae ]

When to use it
해 means the sun, the bright thing you see in the sky during the day. You use it when talking about daylight, weather, morning, or being outside. In daily life, people often use it in sentences like “the sun rises,” “the sun is bright,” or “the sun is strong.”
Example sentences
오늘 해가 밝아요.
The sun is bright today.
해가 떠서 방이 밝아요.
The sun came up, so the room is bright.
학교 운동장에 해가 비쳐요.
The sun shines on the school playground.
엄마가 "해가 강하니까 모자 써"라고 말해요.
Mom says, "The sun is strong, so wear a hat."
해가 뜨거워서 가게에서 선크림을 사요.
The sun is hot, so I buy sunscreen at the store.
바다에서 해를 사진으로 찍어요.
I take a picture of the sun at the beach.