Search results
Results From The WOW.Com Content Network
Zulu time is the military time zone equivalent to Coordinated Universal Time (UTC) and is often referred to as the military time zone. Learn how the military time zones are named, described and used by different regions and armed forces across the world.
Learn the meaning and usage of military terms such as D-Day, H-Hour, L-Day, and more. D-Day is the unnamed day on which an operation commences or is due to commence, such as June 6, 1944, the invasion of Normandy.
The 24-hour clock is the convention of timekeeping in which the day runs from midnight to midnight and is divided into 24 hours. It is used by the international standard ISO 8601 and is the most commonly used time notation in the world today.
Nautical time is a maritime time standard that divides the globe into 24 nautical time zones with hourly clock offsets, spaced at 15 degrees by longitudinal coordinate. Learn about the history, application, and letter suffixes of nautical time, and how it differs from GMT and UTC.
Decimal time is the representation of the time of day using units which are decimally related, such as 10 hours, 100 minutes and 100 seconds. Learn about the history and systems of decimal clocks in different cultures, such as Egypt, China, France and Japan.
The DOD master clock is the atomic master clock for the U.S. Department of Defense, located at the U.S. Naval Observatory in Washington D.C. It is one of the two standard time and frequency references for the U.S. Government, along with the NIST master clock.
A time standard is a specification for measuring time, either the rate or points in time. Learn about the history, terminology and current time standards, such as atomic time, Earth rotation time and GPS time.
A comprehensive list of the UTC time offsets, showing the difference in hours and minutes from Coordinated Universal Time (UTC), from the westernmost (−12:00) to the easternmost (+14:00). It includes countries and regions that observe them during standard time or year-round, as well as information on daylight saving time or historical changes in offsets.