Conversion number between year (mean tropical) [a, y, or yr] and lustre; lustrum is 0.20013270706959. This means, that year (mean tropical) is smaller unit than lustre; lustrum.
Switch to reverse conversion:
from lustre; lustrum to year (mean tropical) conversion
| [a, y, or yr] |
Result in lustre; lustrum
?If conversion between year (mean tropical) to second and second to lustre; lustrum is exactly definied, high precision conversion from year (mean tropical) to lustre; lustrum is enabled.
Since definition contain rounded number(s) too, there is no sense for high precision calculation, but if you want, you can enable it. Keep in mind, that converted number will be inaccurate due this rounding error!
| Start value: | [year (mean tropical)] |
| Step size | [year (mean tropical)] |
| How many lines? | (max 100) |
| year (mean tropical) | lustre; lustrum |
|---|---|
| 0 | 0 |
| 10 | 2.0013270706959 |
| 20 | 4.0026541413918 |
| 30 | 6.0039812120877 |
| 40 | 8.0053082827836 |
| 50 | 10.006635353479 |
| 60 | 12.007962424175 |
| 70 | 14.009289494871 |
| 80 | 16.010616565567 |
| 90 | 18.011943636263 |
| 100 | 20.013270706959 |
| 110 | 22.014597777655 |
Definition of year (mean tropical) unit: ≈ 365.242190402 d. Tropical year is the length of time it takes for the Sun to return to the same position in the cycle of seasons, approximately 365.24219 days
Definition of lustre; lustrum unit: ≡ 5 years (of 365 d). A lustre is a period of five years. Its use dates back to Ancient Rome, when a lustrum was a five-year period at the end of which a full census of the Roman population would be carried out. = 5*365*86400 = 157.68 Ms
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