24:00:00 May 2026

A store open "00:00–24:00" is open for the full 24-hour cycle.

The "24:00:00" format is most frequently found in environments where a day's end must be clearly defined: 24:00:00

The notation refers specifically to midnight at the end of a day in the 24-hour clock system. It is technically identical to 00:00:00 of the following day, but the two formats are used differently to provide clarity in scheduling and legal contexts. 1. Understanding 24:00:00 vs. 00:00:00 A store open "00:00–24:00" is open for the

Used to mark the exact conclusion of the current day. It is the only time where the hour "24" is permitted, and it must be followed by "00" for minutes and seconds. 2. Common Use Cases It is the only time where the hour

If you are converting between the 24-hour and 12-hour clock, use this quick reference: 24-Hour Format 12-Hour (AM/PM) Equivalent 12:00:00 AM Start of the day 12:00:00 12:00:00 PM Midday / Noon 23:59:59 11:59:59 PM Last second of the day 24:00:00 12:00:00 AM End of the day (transition point) 4. Modern Standards & Limitations