Elapsed Time & Time Zones

The company cafeteria is open from

11:15 a.m. to 5:00 p.m. What time in 24-hour format does the cafeteria close?

• 16:00

• 17:00

• 18:00

• 19:00

Answer explanation

The company cafeteria closes at 5:00 p.m., which is equivalent to 17:00 in 24-hour format. Therefore, the correct choice is 17:00.

Jenica slept at 10:40 p.m. and woke up at 6:00 a.m. How long did she sleep?

• A. 7 hours and 20 minutes

• B. 8 hours and 20 minutes

• C. 6 hours and 20 minutes

• D. 7 hours and 40 minutes

Answer explanation

Jenica slept from 10:40 p.m. to 6:00 a.m., which is a total of 7 hours and 20 minutes. Therefore, the correct answer is A. 7 hours and 20 minutes.

Tags

CCSS.3.MD.A.1

What time is it in Manila, Philippines if the time in Tokyo, Japan is 9:00 AM?

(Hint: Manila, Philippines = UTC+8 hours while Tokyo, Japan = UTC+9 hours)

• 6:00 AM

• 7:00 AM

• 8:00 AM

• 9:00 AM

Answer explanation

Since Tokyo, Japan is UTC+9 hours and Manila, Philippines is UTC+8 hours, the time in Manila would be one hour behind Tokyo. Therefore, if it is 9:00 AM in Tokyo, it would be 8:00 AM in Manila.

My report was ready three hours before the meeting. The meeting was at 04:00 PM. When was the report ready in 12-hour format?

• 11:00 AM

• 12:00 AM

• 1:00 PM

• 2:00 PM

Answer explanation

The report was ready three hours before the 04:00 PM meeting, so it was ready at 1:00 PM in 12-hour format.

Tags

CCSS.3.MD.A.1

If it is 8:00 AM in Doha, Qatar, what would be the time in Manila, Philippines?

(Hint: Doha, Qatar = UTC+3 hours while Manila, Philippines= UTC+8 hours)

• 4:00 PM

• 3:00 PM

• 2:00 PM

• 1:00 PM

Answer explanation

Since Doha, Qatar is UTC+3 hours and Manila, Philippines is UTC+8 hours, there is a 5-hour time difference. Therefore, if it is 8:00 AM in Doha, it would be 1:00 PM in Manila.

If it is 7:30 AM in London, UK, what would be the time in New York, USA?

(Hint: London, UK = UTC+1 hour while New York, USA = UTC-5 hours)

• 12:30 AM

• 1:30 AM

• 2:30 AM

• 3:30 AM

Tom started his homework at 4:45 PM and finished at 6:15 PM. How long did it take him to complete his homework?

• A. 1 hour and 15 minutes

• B. 1 hour and 30 minutes

• C. 1 hour and 45 minutes

• D. 2 hours

Tags

CCSS.3.MD.A.1

If a train departs from Station A at 3:20 PM and arrives at Station B at 6:45 PM, how long was the journey?

• A. 3 hours and 15 minutes

• B. 3 hours and 25 minutes

• C. 3 hours and 30 minutes

• D. 3 hours and 40 minutes

Tags

CCSS.3.MD.A.1