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Using the International System of Units (SI) definition of a day as 86,400 seconds, there are 31,536,000 seconds in a 365 day year.

Additionally, the International Earth Rotation and Reference Systems Service (IERS) responsible for maintaining global time has not announced any leap seconds for 2009, so the Coordinated Universal Time (UTC) scale will be the same as the SI.

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15y ago

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