

The shop opens at 8 a.m. every day.
[ðə ˈʃɑp ˈoʊpənz ət 8 ˌeɪˈɛm. ˈɛvri ˈdeɪ.]
I get up at 6 a.m. on Mondays.
[aɪ ˈɡɛt ˈəp ət 6 ˌeɪˈɛm. ˈɔn ˈmənˌdeɪz.]
Is the meeting at 10 a.m. tomorrow?
[ˈɪz ðə ˈmitɪŋ ət 10 ˌeɪˈɛm. təˈmɑroʊ?]
"a.m." is in the lesson "Time 3" (Level 40), along with 13 other useful words. LinDuo has 180 topic lessons like this one, 2,375 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.