Femtosecond Second
| fs s |
Femtosecond Millisecond
| fs ms |
Femtosecond Minute
| fs min |
Femtosecond Hour
| fs h |
Femtosecond Day
| fs d |
Femtosecond Week
| — |
Femtosecond Month
| — |
Femtosecond Year
| fs y |
Femtosecond Decade
| — |
Femtosecond Century
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Femtosecond Millennium
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Femtosecond Microsecond
| fs µs |
Femtosecond Nanosecond
| fs ns |
Femtosecond Picosecond
| fs ps |
Femtosecond Attosecond
| fs as |
Femtosecond Shake
| — |
Femtosecond Month (synodic)
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Femtosecond Year (Julian)
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Femtosecond Year (leap)
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Femtosecond Year (tropical)
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Femtosecond Year (sidereal)
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Femtosecond Day (sidereal)
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Femtosecond Hour (sidereal)
| — |
Femtosecond Minute (sidereal)
| — |
Femtosecond Second (sidereal)
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Femtosecond Fortnight
| — |
Femtosecond Septennial
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Femtosecond Octennial
| — |
Femtosecond Novennial
| — |
Femtosecond Quindecennial
| — |
Femtosecond Quinquennial
| — |
Femtosecond Planck time
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