How to read your Flight Times

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The most common reason why passengers miss their flights is because they misunderstood the travel times on their itinerary. Each airline does ‘their own thing’ when it comes to how the flight times should be written on the Passenger’s Itinerary Receipt, whether in civilian/12-hour or military/24-hour clock notation.
Times quoted in civilian/12-hour clock can become misleading especially if the am or pm is left off. Someone with a 12:00 o’clock flight could easily show up for a 12:00 noon or 12:00 midnight of one day or 12:00am of another day’s flight. Or if you are told that your flight is at 1:00am and you need to check in at the airport at 11:00pm the day before, you could easily become very confused.
The military/24-hour clock is generally used in specialist areas such as aviation, navigation, meteorology and hospital to name a few, as it prevents ambiguity. In fact, in most countries, computers show the time in 24-hour notation.