Help:Converting Time

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The general formula for a relatively accurate conversion (within a few years) on the scale of a few thousand years is very simple.

Earth to Universalis:
(year - 1399.7857) * 8/5

Universalis to Earth:
year * 5/8 + 1399.7857

For more accurate numbers use 365.2425/228.527477 and its inverse.

Example

(current Gregorian decimal year-base Gregorian decimal year) * mean Gregorian year in solar Earth days/sidereal Universalis year in solar Earth days

(2016-1399.7863) * 365.2425/228.527477

984.859393 (Universalis decimal year)

Specified values

Universalis year 5484.65944 hours
Universalis year 248.100566921 solar Universalis days
Universalis solar day 22.1065977723 hours

Sources

[ https://docs.google.com/spreadsheets/d/1yRGzPQysnaDXtEPERni7Yez20aAdA0QqYoXvEwI0gDA/edit#gid=41 ]