Convert 9:15 PM to 24-hour format

Converting 9:15 PM to 24-hour format

Here's how to convert 9:15 PM from 12-hour format to 24-hour format:

Steps to convert 9:15 PM to 21:15:

1. First, we look at the period (PM) and the hour (9).
2. Since it's PM and not 12, we add 12 to the hour: 9 + 12 = 21
3. This converts the afternoon/evening time to 24-hour format
4. We keep the minutes the same: 15
5. Therefore, 9:15 PM in 24-hour format is 21:15

Understanding the conversion

The 12-hour clock uses AM (ante meridiem: before noon) and PM (post meridiem: after noon), while the 24-hour clock (also known as military time) runs from 00:00 to 23:59.

Key points for converting 9:15 PM

• 12:00 AM becomes 00:00
• 1:00 AM to 11:59 AM stay the same
• 12:00 PM stays as 12:00
• 1:00 PM to 11:59 PM: add 12 to the hours