午后 (wǔhòu) means "afternoon," specifically the time after noon. It is a slightly more literary or formal alternative to 下午 and evokes a leisurely or reflective tone. It is commonly used in written descriptions and narrative prose.
午后的阳光透过窗帘照进房间,暖洋洋的。
Wǔhòu de yángguāng tòuguò chuānglián zhào jìn fángjiān, nuǎnyángyáng de.
The afternoon sunlight shone through the curtains into the room, warm and cozy.
他喜欢在午后泡一杯茶,安静地看书。
Tā xǐhuan zài wǔhòu pào yī bēi chá, ānjìng de kànshū.
He likes to brew a cup of tea in the afternoon and read quietly.
午后的咖啡馆里人不多,很适合聊天。
Wǔhòu de kāfēiguǎn lǐ rén bù duō, hěn shìhé liáotiān.
The café in the afternoon didn't have many people — it was very suitable for chatting.