24:00:00 <2025>

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

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 24:00:00

While the US Navy and Marines may use the "24:00" notation, most military communication regulations recommend using 23:59 or 00:01 to avoid any ambiguity regarding which date is being referenced. Format a time or date [complete guide] - Algorithms to Go A store open "00:00–24:00" is open for the

Agreements often state they are valid from the start date at 00:00 until the end date at 24:00 to ensure there is no gap in coverage. Format a time or date [complete guide] -

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

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