That doesn't help people who don't know what am/pm are. 11:59pm would be 23.59 in some places (like Finland).
It's possible to mix up dates and times from each other too (is 12.30 Dec 30 or half past noon?)
It's possible to mix up dates and times from each other too (is 12.30 Dec 30 or half past noon?)
Why GP would have exams at midnight is anyone’s guess, but the example can only be interpreted as just before midnight.