妈妈什么时候吃晚饭的英语怎么说

"When does Mom have dinner?" in English can be translated as "What time does Mom have dinner?" or simply "When is Mom's dinner?"

The source of the English phrases comes from the common usage of English for asking about meal times.

Example English sentences and their Chinese translations:

"What time does Mom have dinner tonight?" "今晚妈妈几点吃晚饭？"
"When is Mom's dinner scheduled for this evening?" "今天晚上妈妈的晚饭安排在什么时候？"