History of 0 in Timeline

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Zero is a number denoting an empty quantity, holding a fundamental role in mathematics. It is the additive identity, meaning adding 0 to any number leaves the number unchanged. Conversely, multiplying any number by 0 results in 0. Due to this property, division by zero is undefined in standard arithmetic. Zero is crucial in various mathematical structures and numerical systems, enabling calculations and representations of numerical values.

January 1904: Classic Mac OS and Palm OS epoch begin

In January 1904, specifically the midnight before the first of January, both the Classic Mac OS epoch and the Palm OS epoch began. These epochs represent the date and time associated with a zero timestamp in their respective computing systems.

1907: Pronunciation of zero in the year 1907

In 1907, the digit zero was often pronounced as "oh" when reading the year, as in "nineteen oh seven". This usage helps to differentiate it from the letter 'O' in contexts where strings contain both letters and numbers.

January 1970: Unix epoch begins

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