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Measurements — PHYSICS STD 6 — Question

ICSE BoardEnglish MediumSTD 6PHYSICSMeasurements2 Marks
Question
Explain in detail why railways and airlines use the 24- hour clock format.
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Answer

Railways and airlines use the 24-hour clock format as they operate round the clock (24 hour). The main features of 24- hour clock system are :
  • a.m. and p.m. are not used in order to avoid confusion.
  • Time is shown by’4 digits. The first two digits indicate the number of hours, and the next two digits indicate the number of minutes.
  • Time is expressed continuously from 00.00 (midnight) to 24:00.

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