MILITARY TIME THE 24 HOUR CLOCK

THE TWENTY-FOUR-HOUR CLOCK THE MILITARY SERVICES AND CIVILIANS USE DIFFERENT METHODS OF EXPRESSING TIME. ALL CADETS SHOULD LEARN THIS METHOD, CALLED MILITARY TIME OR THE TWENTY-FOUR-HOUR CLOCK.

A.M. P.M. HOW WE EXPRESS TIME IN CIVILIAN LIFE, WE CONVEY TIME TO ONE ANOTHER BY USING: A.M. OR P.M.

WHEN WE SAY OR WRITE 8 A.M., WE MEAN.. EIGHT O’CLOCK IN THE MORNING WE WRITE THIS AS.. 8 A.M.

ANTE MERIDIEM OR BEFORE NOON (Or before the middle of the day) “A.M.” MEANS.. ANTE MERIDIEM OR BEFORE NOON (Or before the middle of the day)

WHEN WE SAY OR WRITE 8 P.M., WE MEAN.. EIGHT O’ CLOCK AT NIGHT WE WRITE THIS AS.. 8 P.M.

(Or after the middle of the day) PM MEANS.. POST MERIDIEM OR AFTER NOON (Or after the middle of the day)

45 MINUTES AFTER EIGHT O’CLOCK IN THE MORNING, OR.. TO GIVE THE EXACT TIMES WE ATTACH THE MINUTES AFTER THE HOUR, SUCH AS.. 8:45 A.M. WHICH MEANS: 45 MINUTES AFTER EIGHT O’CLOCK IN THE MORNING, OR..

WHICH MEANS: 45 MINUTES AFTER EIGHT O’CLOCK AT NIGHT 8:45 P.M. WHICH MEANS: 45 MINUTES AFTER EIGHT O’CLOCK AT NIGHT

WE GIVE SPECIAL NAMES TO 12 A.M. AND 12 P.M. WE CALL 12 A.M. MIDNIGHT AND WE CALL 12 P.M. NOON

THIS SYSTEM WORKS FINE IN CIVILIAN LIFE IN THE MILITARY, SUCH A SYSTEM WOULD BE CONFUSING AND CAUSE MANY PROBLEMS. THE MILITARY WORKS ALL OVER THE WORLD, IN MANY DIFFERENT TIME ZONES.

WE CAN NOT AFFORD MISTAKES IN COMMUNICATING THE CORRECT TIME.

NAVY COMMUNICATIONS ARE BY MESSAGE OR RADIO TIMES SENT BY THIS METHOD COULD BE GARBLED OR HAVE STATIC INTERFERENCE OR NOT BE UNDERSTOOD BECAUSE OF BATTLE NOISES.

NAVY COMMUNICATIONS ARE BY MESSAGE OR RADIO TYPED AND WRITTEN MESSAGES CAN ALSO HAVE COMMON MISTAKES IN TIME.

RESULTS! BATTLES AND LIVES COULD BE LOST BECAUSE AN IMPORTANT EVENT WAS NOT ON TIME!

TIME IS ALSO ESSENTIAL TO NAVIGATION THE SHIP’S NAVIGATOR MUST KEEP ACCURATE TIME TO FIX THE SHIP’S POSITION.

WATCH AND LOG ENTRIES ALMOST EVERY RECORD OF ANY TYPE ON A SHIP IS RECORDED WITH ACCURATE TIMES, 24 HOURS A DAY.

THE MILITARY MUST HAVE A SYSTEM THAT CAN NOT BE MISUNDERSTOOD!! MILITARY TIME THE MILITARY MUST HAVE A SYSTEM THAT CAN NOT BE MISUNDERSTOOD!!

THIS MEANS HAVING AN EXACT TIME FOR EVERY HOUR AND MINUTE OF THE DAY.

EXPLAINING THE 24-HOUR-CLOCK IN THE MILITARY TIME SYSTEM, WE DO AWAY WITH : A.M. AND P.M.

YOU WILL RECOGNIZE DAY OR NIGHT BY THE HOUR ITSELF. EIGHT O’CLOCK IN THE MORNING CAN NOT BE CONFUSED WITH EIGHT O’CLOCK AT NIGHT! WE ALSO ELIMINATE USING THE EXPRESSION “O’CLOCK.”

EACH HOUR AND EACH MINUTE OF THE DAY HAS ITS OWN NUMBER. HOW IT WORKS! EACH HOUR AND EACH MINUTE OF THE DAY HAS ITS OWN NUMBER. EACH DAY STARTS AT A FRACTION OF A SECOND AFTER MIDNIGHT. THIS TIME IS CALLED : 0000

ONE O’ CLOCK IN THE MORNING IS 0100, PRONOUNCED ZERO ONE HUNDRED.

TWO O’CLOCK IN THE MORNING IS 0200, PRONOUNCED ZERO TWO HUNDRED

THE MORNING HOURS CONTINUE AS FOLLOWS: 3 O’CLOCK 0300 ZERO THREE HUNDRED 4 O’CLOCK 0400 ZERO FOUR HUNDRED 5 O’CLOCK 0500 ZERO FIVE HUNDRED AND SO ON UNTIL TEN O’CLOCK IN THE MORNING , WHICH IS 1000. PRONOUNCED TEN HUNDRED.

PRONOUNCED TWELVE HUNDRED. ELEVEN O’CLOCK IS 1100 OR ELEVEN HUNDRED AND NOON IS 1200 PRONOUNCED TWELVE HUNDRED.

1300 THIRTEEN HUNDRED THE AFTERNOON HOURS THE HOUR FOLLOWING 1200 OR NOON IS: 1300 IN CIVILIAN TIME THAT WAS 1:00 PM IN MILITARY TIME IT IS THIRTEEN HUNDRED

AFTERNOON TIMES CONTINUE: 2 PM - 1400 OR FOURTEEN HUNDRED 3 PM - 1500 OR FIFTEEN HUNDRED 4 PM - 1600 OR SIXTEEN HUNDRED 5 PM - 1700 OR SEVENTEEN HUNDRED THIS SEQUENCE CONTINUES UNTIL ELEVEN O’CLOCK AT NIGHT WHICH IS : 2300

THE DAY ENDS AT MIDNIGHT WHICH THE MILITARY CALLS: 2400 OR 0000 THE CLOCK TURNS OVER AT 2400 AND BECOMES 0000

HOURS ON THE MILITARY CLOCK 0000 OR 2400 (MIDNIGHT) 0100 1 O’CLOCK IN THE MORNING 0200 2 O’CLOCK IN THE MORNING 0300 3 O’CLOCK IN THE MORNING 0400 4 O’CLOCK IN THE MORNING 0500 5 O’CLOCK IN THE MORNING 0600 6 O’CLOCK IN THE MORNING

0700 7 O’CLOCK IN THE MORNING 0800 8 O’CLOCK IN THE MORNING 0900 9 O’CLOCK IN THE MORNING 1000 10 O’CLOCK IN THE MORNING 1100 11 O’CLOCK IN THE MORNING 1200 12 O’CLOCK NOON 1300 1 O’CLOCK IN THE AFTERNOON 1400 2 O’CLOCK IN THE AFTERNOON 1500 3 O’CLOCK IN THE AFTERNOON

1600 4 O’CLOCK IN THE AFTERNOON 1800 6 O’CLOCK IN THE EVENING 1900 7 O’CLOCK IN THE EVENING 2000 8 O’CLOCK IN THE EVENING 2100 9 O’CLOCK IN THE EVENING 2200 10 O’CLOCK IN THE EVENING 2300 11 O’CLOCK IN THE EVENING

PUTTING THE MINUTES INTO THE TIME MINUTES ARE USED THE SAME WAY AS THEY WERE WITH CIVILIAN TIME: 45 MINUTES AFTER EIGHT IN THE MORNING WOULD BE: 0845

10 MINUTES AFTER ELEVEN IN THE MORNING WOULD READ: 1110 30 MINUTES AFTER ONE IN THE AFTERNOON WOULD READ: 1330 10 MINUTES BEFORE MIDNIGHT WOULD READ: 2350

FIRST MINUTES OF THE DAY REMEMBER - MIDNIGHT IS 2400 OR 0000 ONE MINUTE AFTER MIDNIGHT IS 0001 TEN MINUTES AFTER MIDNIGHT IS 0010

A HINT FOR REMEMBERING MILITARY TIME AFTERNOON TIMES CAN BE CONVERTED BY ADDING 12 EXAMPLE 3:15 P.M. ADD 3:15 + 12= 1515

TIMES BEFORE NOON ARE JUST AS THEY APPEAR 7:OO A.M. BECOMES 0700 8:25 A.M. BECOMES 0825

INSTANT REVIEW CONVERT THE FOLLOWING CIVILIAN TIMES INTO MILITARY TIMES: 30 MINUTES AFTER SEVEN IN THE MORNING: ANSWER: 0730

2:05 IN THE AFTERNOON ANSWER: 1405 9:20 AT NIGHT 2120

0NE MINUTE BEFORE MIDNIGHT ANSWER: 2359 ONE MINUTE AFTER MIDNIGHT 0001

ONE O’CLOCK IN THE MORNING? ANSWER: 0100 HOW IS THIS PRONOUNCED? ZERO ONE HUNDRED

WHICH OF THE FOLLOWING IS INCORRECT? 1301 1501 1601 2401 ANSWER: 2401 At 2400 the day ends.

WHAT IS AN EASY WAY TO CONVERT CIVILIAN TIMES IN THE AFTERNOON TO MILITARY TIME? ANSWER: ADD 12 TO THE TIME; EXAMPLE: 4:05 P.M. + 12 = 1605

THIS ENDS THIS PRESENTATION