Post YFW you see 12am/pm refer to noon/midnight : r/ISO8601

Midnight and Noon—When to Use A.M. and P.M.

Is 12:00 PM and 00:00 AM the same (which is both midnight)? Similarly, is 12:00 AM and 00:00 PM the same (which is both noon aka midday)? - Quora

Is 12pm noon or midnight? - Quora

Is 12pm noon or midnight? - Quora

If PM means 'after noon', shouldn't 12:00 PM actually be 0:00 PM? It's not twelve hours after noon. - Quora

Midnight and Noon—When to Use A.M. and P.M.

Post YFW you see 12am/pm refer to noon/midnight : r/ISO8601

Is 12pm noon or midnight? - Quora

12pm or 12am? Is midnight 12am? Is noon 12pm?

How to avoid 12:00 AM midnight/noon confusion in a time input field? - User Experience Stack Exchange

Is 12pm noon or midnight? - Quora

Incorrect am/pm marker between 12 to 1 pm · Issue #131 · dart-lang/i18n · GitHub

Midnight and Noon—When to Use A.M. and P.M.

Noon is not 12am. Midnight is not 12pm. Code appropriately.

12 noon am pm midnight which?