

会議は正午に終わる予定です。
正午になったら、お昼休みにしましょう。
申し込みの締め切りは明日の正午ですか。
"しょうご(正午)" is in the lesson "Time 1" (Level 1), along with 9 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.