Quick Reference ~ A maths Dictionary for Kids by Jenny Eather Email jeather@iprimus.com.au A Maths Dictionary for Kids by Jenny Eather at www.amathsdictionaryforkids.com


UTC, Coordinated Universal Time

• Coordinated Universal Time (UTC) is the official time standard
for the world’s clocks and timekeeping.
• it is based on International Atomic Time (TAI).
• leap seconds are added at irregular intervals to compensate
for the slowing of Earth's rotation.

World time zones

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