Year Octennial

Year → Second yr → s Second → Year s → yr Year → Minute yr → min Minute → Year min → yr Year → Hour yr → h Hour → Year h → yr Year → Day yr → d Day → Year d → yr Year → Millisecond yr → ms Millisecond → Year ms → yr Year → Microsecond yr → µs Microsecond → Year µs → yr Year → Nanosecond yr → ns Nanosecond → Year ns → yr Year → Week yr → wk Week → Year wk → yr Year → Month yr → mo Month → Year mo → yr Year → Decade yr → dec Decade → Year dec → yr Year → Century yr → cent Century → Year cent → yr Year → Millennium yr → mil Millennium → Year mil → yr Year → Picosecond yr → ps Picosecond → Year ps → yr Year → Femtosecond yr → fs Femtosecond → Year fs → yr Year → Attosecond yr → as Attosecond → Year as → yr Year → Shake yr → shake Shake → Year shake → yr Year → Month (synodic) yr → month Month (synodic) → Year month → yr Year → Year (Julian) yr → y Year (Julian) → Year y → yr Year → Year (leap) yr → y Year (leap) → Year y → yr Year → Year (tropical) yr → y Year (tropical) → Year y → yr Year → Year (sidereal) yr → y Year (sidereal) → Year y → yr Year → Day (sidereal) yr → d Day (sidereal) → Year d → yr Year → Hour (sidereal) yr → h Hour (sidereal) → Year h → yr Year → Minute (sidereal) yr → min Minute (sidereal) → Year min → yr Year → Second (sidereal) yr → s Second (sidereal) → Year s → yr Year → Fortnight yr → fortnight Fortnight → Year fortnight → yr Year → Septennial yr → septennial Septennial → Year septennial → yr Year → Octennial yr → octennial Octennial → Year octennial → yr Year → Novennial yr → novennial Novennial → Year novennial → yr Year → Quindecennial yr → quindecennial Quindecennial → Year quindecennial → yr Year → Quinquennial yr → quinquennial Quinquennial → Year quinquennial → yr Year → Planck time yr → tP Planck time → Year tP → yr