What is 2130 in military time?

In military time, 2130 is equivalent to 9:30 pm in the 12-hour clock format. This notation is commonly used in the military and other organizations that require precise timekeeping, as it eliminates any confusion or ambiguity about the time of day. To convert a time from 12-hour clock format to military time, simply add 12 to the hour if it is after noon. For example, 3:00 pm would be 1500 in military time.