Simultaneity may refer to:
*
Relativity of simultaneity
In physics, the relativity of simultaneity is the concept that ''distant simultaneity'' – whether two spatially separated events occur at the same time – is not absolute, but depends on the observer's reference frame. This poss ...
, a concept in special relativity.
*
Simultaneity (music), more than one complete musical texture occurring at the same time, rather than in succession
* Simultaneity, a concept in
Endogeneity
See also
*
Non-simultaneity
*
Diversity factor
In the context of electricity, the diversity factor is the ratio of the sum of the individual non-coincident maximum loads of various subdivisions of the system to the maximum demand of the complete system.
: f_\text = \frac
The diversity factor ...
, or simultaneity factor
*
Time Structured Mapping
{{disambiguation