Convert Yoctoseconds to Julian Years
Convert Yoctoseconds (ys) to Julian Years (a_J) instantly and accurately.
Conversion Formula
a_J = ys × 3.168808781e-32
About Yoctoseconds
A yoctosecond (ys) = 10⁻²⁴ s - the smallest named SI prefix time unit. Light travels ~0.3 fm in 1 ys, about one-tenth the proton charge radius. Strong-force quark binding operates on ~1 ys timescales; W and Z boson lifetimes are ~260-290 ys. Lead-lead collisions at the LHC produce quark-gluon plasma that thermalises within a few ys. These timescales are inferred from decay widths via ΔE × Δt ≥ ℏ. 1 ys = 10⁻²⁴ s.
About Julian Years
The Julian year (a_J) = exactly 365.25 days = 31,557,600 s - the IAU standard year for astronomical distances. The light-year is formally 1 ly = c × 1 a_J = 9.461 × 10¹⁵ m (IAU 2012 B2). Julian years differ from Gregorian years by only 648 s (~10.8 min/year); important for high-precision astrometry or calculations spanning centuries. 1 a_J = 365.25 d = 31,557,600 s.
Quick Reference Table
| Yoctoseconds (ys) | Julian Years (a_J) |
|---|---|
| 1 ys | 3.169 × 10-32 a_J |
| 2 ys | 6.338 × 10-32 a_J |
| 5 ys | 1.584 × 10-31 a_J |
| 10 ys | 3.169 × 10-31 a_J |
| 25 ys | 7.922 × 10-31 a_J |
| 50 ys | 1.584 × 10-30 a_J |
| 100 ys | 3.169 × 10-30 a_J |