What is 20:30?

20:30 is a time on a 24-hour clock and refers to 8:30 PM on a 12-hour clock. It is 8 hours and 30 minutes after the start of the day (12:00 AM/midnight) and 3 and a half hours after sunset, depending on the time of year and location. It is commonly used in military, aviation, and other professional contexts that require precise time reporting. It is also useful for scheduling events, meetings, and appointments. In some cultures and countries, 20:30 may be considered too late for dinner or social activities, while in others it may be an appropriate time to start the evening.