This is a short animation illustrating the concept of 3D-Time then superimposing it onto a Minkowski Diagram with light cone and all. Notice several things:
1). Linear time is a vector of two temporal dimensions,
2). The metric for the temporal coordinates is a complex conjugate of the metric for the spacial coordinates,
3). The center section of the model is a complex plane or surface and not a point,
4). If we let the center section correspond with Plank units, then temporal components can correspond with changes in momentum and spatial components can correspond with changes in position.

Watch "The Evolution of Time" (   • The Evolution of Time (Director's Cut)   ) to see how all of this applies to modern physics... and the BIG picture.