To convert from the 24-hour clock to the 12-hour clock:
If the time is 1200 or greater, it is p.m. — subtract 12 from the hours.
• 2245 is greater than 1200, so it is p.m.
• Hours = 22 − 12 = 10, minutes = 45
• 2245 = 10.45 p.m.
Final Answer: B: 10.45 p.m.