Topic Details (Notes format)

Coordinated Universal Time vs. International Atomic Time

Subject: Static GK (General Knowledge)

Book: General Time Knowledge

International Atomic Time (TAI) aggregates data from hundreds of atomic clocks worldwide, providing a theoretically continuous and extremely precise scale. Coordinated Universal Time (UTC) is based on TAI but adjusts periodically with leap seconds to stay aligned with Earth’s rotation. The difference between TAI and UTC grows slightly each time a leap second is inserted. Researchers, especially in astrophysics and telecommunications, study both references to ensure the highest degree of temporal accuracy. Knowing their relationship clarifies why even tiny discrepancies matter in specialized fields.

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