訓 うま ・ 音 ゴ
Sino-Vietnamese: ngọ
Ngo is the Horse hour, 11 AM to 1 PM, which is noon. So 午前 is before noon (morning) and 午後 is after noon (afternoon).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
午後三時に会いましょう。 (ごごさんじにあいましょう)
Let's meet at three in the afternoon.