Proposed resolution:

This wording is relative to N4830.

1. Modify Table 99 "Meaning of parse flags [tab:time.parse.spec]" in [time.parse] as indicated:

   Table 99: Meaning of parse flags [tab:time.parse.spec]

   Flag	Parsed value
   […]
   %p	The locale's equivalent of the AM/PM designations associated with a 12-hour clock. The command %I must precede %p in the format string.
   […]