History of 0 in Timeline

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The number 0 represents an empty quantity and acts as the additive identity across various number systems, meaning adding 0 to any number does not change its value. Crucially, any number multiplied by 0 results in 0. Division by 0 is undefined in standard arithmetic due to the properties of multiplication and the role of 0 in number systems.

January 1904: Classic Mac OS and Palm OS epoch

The Classic Mac OS epoch and Palm OS epoch began on the midnight before the first of January 1904, representing the date and time associated with a zero timestamp in computing.

1907: Pronunciation of "0" in years

In 1907, the digit 0 was often pronounced as "oh" when reading out the year, as in "nineteen oh seven."

January 1970: Unix epoch

The Unix epoch began on the midnight before the first of January 1970, representing the date and time associated with a zero timestamp in computing.