24:00:00 ★

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

Shift schedules use 00:00 for shifts starting at midnight and 24:00 for shifts ending at midnight. 3. Conversion Guide 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 The "24:00:00" format is most frequently found in

The most recent international standard for time representation has officially disallowed the use of "24" as an hour, favoring "00:00" to represent the beginning of the day. Format a time or date [complete guide] -

While they represent the same physical moment, the choice of notation depends on the perspective of the time interval:

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

Bus or train timetables may show 00:00 as a departure time (starting the day) and 24:00 as an arrival time (ending the day).