Coast Guard Practice Exam 2026 – Complete Prep Guide

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Which time equals 7:00 PM in the 24-hour clock format?

1900

In the 24-hour clock format, hours are represented from 00 to 23, where 00:00 corresponds to midnight and 23:59 corresponds to one minute before the next midnight. To convert from the 12-hour format to the 24-hour format, you simply need to add 12 to the hour if it is PM, unless it is 12 PM which remains as 12.

For 7:00 PM, you would convert it as follows:

1. Identify that it is in the PM period.

2. Since 7:00 in the PM is not 12 PM, you add 12 to 7.

3. This results in 19:00 in the 24-hour clock format.

Thus, 7:00 PM is represented as 1900 in the 24-hour clock. The other options represent different times—1800 corresponds to 6:00 PM, 2000 corresponds to 8:00 PM, and 2100 corresponds to 9:00 PM—so these do not match 7:00 PM.

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1800

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2100

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