

Было уже за полдень, когда мы проснулись.
It was already past noon when we woke up.
Совещание неожиданно затянулось за полдень.
The meeting unexpectedly dragged on past noon.
В воскресенье он встал далеко за полдень.
On Sunday he got up well past noon.
"за полдень" is in the lesson "Time 3" (Level 40), along with 13 other useful words. LinDuo has 180 topic lessons like this one, 2,380 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.