What is a 24-hour clock example?
A time in the 24-hour clock is written in the form hours:minutes (for example, 01:23), or hours:minutes:seconds (01:23:45). Numbers under 10 usually have a zero in front (called a leading zero); e.g. 09:07….24-hour clock.
24-hour clock | 12-hour clock |
---|---|
00:00 | 12.00a.m. – midnight |
01:00 | 1:00 a.m. |
02:00 | 2:00 a.m. |
03:00 | 3:00 a.m. |
How do you explain 24-hour clock?
In the 24-hour clock format, each day runs from midnight to midnight and is divided into 24 hours. 24-Hour Clock Time uses the numbers 00:00 (midnight) until 23:59 to tell the time. You don’t need to use am / pm with a 24-Hour Clock, as afternoon is indicated by a number bigger than 12.
What is a 24-hour clock called?
The 24 hour clock has also been called railway time (in Europe), continental time (in England), and military or (a long time ago) railroad time (in the US). By the way, it’s only in the US (where 5% of the world’s population live) that the 24 hour time system is called military time.
How do you write 24-hour clock in words?
24-hour clock In general, to write time in the 24-hour system, omit the colon between hours and minutes, and follow the numerals for time with the word “hours.” The invasion began at 0823 hours . Read aloud as “oh-eight-twenty-three hours” or “zero-eight-twenty-three” (military).
What is the easiest way to tell 24 hour time?
Add 12 to the hours between 1:00 and 11:59 PM and eliminate “PM.” For the afternoon, evening, and night hours, simply add 12 to the 12-hour time to convert it to 24-hour time. Also, eliminate “PM.” That means that 2:57 PM would become 14:57 and 11:02 would become 23:02. Therefore: 1:00 PM = 13:00.
Why 24-hour clock is better?
The reason airlines, public transit and the armed forces use 24-hour “military” time is to avoid confusion between a.m. and p.m. hours. So when you set an alarm for 6:30, you’ll know it’ll go off in the morning to get you up and ready on time.
Why do trains use 24-hour clocks?
Some departments like railways, Airlines, etc use 24-hour clock system because they do not use a.m. and p.m. times. In a 24-hour clock system, we express time in four digits. The first two digits represent hours and the last two digits represent the minutes.
How do I convert 24 hour clock?
For a military time that is larger than 12:00, just subtract 12 hours to get the 24 hour(standard time), then add “pm”. For example, if you have 14:30 hours, subtract 12 hours and the result is 2:30 pm.
What to do with a 24 hour clock?
Below are some activities you can do with students to practice the 24 hour clock concept. Give the students a clock and ask them to complete the PM hours in a 24 hour clock form. Give the students clocks marked AM/PM and ask them to write the time in the 24 hour clock form.
How is an interactive clock used in a classroom?
Interactive clock to help teach time. Displays analog and digital time, with movable and removable hands, and a twelve or twenty four hour clock. Tell time to the hour, half hour, quarter hour, five minutes or minute using both 12 or 24 hour clock. A timer to use for classroom activities.
How long does it take for the hands to move around the clock?
The hands move around the clock together at different speeds. It takes sixty minutes for the minute hand to move all the way around the clock while at the same time the hour hand to moves from one number to the next number. The hands on clock move in a clockwise direction like this:
How to find the elapsed time between two clocks?
Have the students find the elapsed time between two clocks. Make sure AM/PM is marked on the clocks. They can use a clocks or a number line. Give the students problems in which the staring time is given along with the elapsed time and they need to find the ending time. Use the number line to mark and add the elapsed time.