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Year (leap) Second
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Year (leap) Millisecond
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Year (leap) Minute
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Year (leap) Hour
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Year (leap) Day
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—
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Year (leap) Week
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—
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Year (leap) Month
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—
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Year (leap) Year
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—
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Year (leap) Decade
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—
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Year (leap) Century
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—
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Year (leap) Millennium
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Year (leap) Microsecond
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Year (leap) Nanosecond
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Year (leap) Picosecond
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Year (leap) Femtosecond
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Year (leap) Attosecond
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Year (leap) Shake
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Year (leap) Month (synodic)
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Year (leap) Year (Julian)
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Year (leap) Year (tropical)
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Year (leap) Year (sidereal)
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Year (leap) Day (sidereal)
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Year (leap) Hour (sidereal)
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Year (leap) Minute (sidereal)
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Year (leap) Second (sidereal)
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Year (leap) Fortnight
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—
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Year (leap) Septennial
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—
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Year (leap) Octennial
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—
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Year (leap) Novennial
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—
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Year (leap) Quindecennial
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—
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Year (leap) Quinquennial
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—
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Year (leap) Planck time
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