In 24-hour time, what is 6:00 PM?

In 24-hour time, 6:00 PM is represented as 1800 hours. The conversion from the 12-hour clock to the 24-hour clock involves adding 12 to the hour for any time in the afternoon or evening. Therefore, to convert 6:00 PM, you take the 6 from the 12-hour format and add 12 (which accounts for the transition into the afternoon), resulting in 18.

The minutes remain the same, so you simply append '00' to the '18' to indicate that it is exactly on the hour. Thus, 6:00 PM is converted to 1800 hours in a 24-hour clock format. This understanding of how to convert between the two time formats is essential in various fields, including healthcare, where 24-hour time is often used to avoid ambiguity.