Is 12pm midnight or midday?

Midnight - is it 12am or 12pm? - NPL

Is 12 pm Noon or Midnight?

In the United States, does the time 12:00 AM refer to mid-day (noon) or midnight? - Quora

Does 12p.m. mean midday? Does 12a.m. mean midnight?

Time Is Hard : r/confidentlyincorrect

My girlfriend is special, I guess. : r/confidentlyincorrect

Which is morning, 12:00 am or 12:00 pm? - Quora

Which hours are considered evening and which are night? - Quora

What time is it?, Baamboozle - Baamboozle

In England you say 3 pm, when in Russia it's 15 hours - could you explain please how you say midday and midnight, like when it's 12 am and when it's 12 pm?