OnTheClock simplifies the time-conversion process by eliminating the need to convert times manually. Our time clock has the ability to display time in either a 12-hour or 24-hour format — one of our many customizable features designed to meet your needs. Your first 30 days of OnTheClock are free — get started today. The history of military time can be dated back to the Early Egyptians in the 11th Dynasty. The first appearance of a 24-hour clock was found on a coffin lid which is famously known as the Diagonal Star Table. The Egyptians synchronized the time system with certain patterns of constellations that passed through the sky at night. This system was defined by the different amounts of light intensity that was present during the day and season. The constellation patterns would eventually develop into a year with 360 days. It’s 2300 hours here in Oklahoma and it’s time to turn in and begin the day tomorrow at 0630. Now go forth and never be flummoxed by military time again. Military time format uses 24 hour time format instead of 12h am, pm time format. Military time uses a 24-hour clock while civilian time uses a 12-hour clock. All using military time will synch their clocks and watches to a master clock. The Department of Defense (DoD) uses one clock, also known as the atomic clock (mighty cool nickname), to ensure pinpoint accuracy and that all teams are using the exact same time. The Precise Time Department (PTD) part of the U.S Naval Observatory has maintained a Time Service Department since 1880. Modern electronic systems like navigation depend heavily on precise time and time interval (PTTI) and work from what we now call the USNO Master clock. Now after completing Step 1 you find the number to be less than 12, we are in the morning. On Military Time, morning starts at 0000 and ends at 1200. This is essentially the same format as the 12 hour clock except you will see leading zeros before the hour digit.
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