42 votes

When did the U.S. Army start saying "oh-six-hundred" for "6 AM"?

The US military did not use the 24-hour clock system at the time depicted in that movie (emphasis mine). During World War I, the British Royal Navy adopted the 24-hour clock in 1915, and the Allied ...
  • 36.2k
8 votes

When did the U.S. Army start saying "oh-six-hundred" for "6 AM"?

My grandfathers were both in wars. One in the Korean War, one in WW2. I was in Iraq and Afghanistan. None of us have ever said Oh-x-hour. It's always been zero. Like zero-6 hundred. It was used in WW1 ...
1 vote
Accepted

What time of day was Hitler's opening speech of the 1936 Summer Olympics?

Based on the timetable of the television broadcaster (Fernsehsender Paul Nipkow) the planed time was 17:03 CET (16:03 UT). This was from a television broadcaster that could be received in the general ...
  • 8,402

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