This summer a buddy and I were talking about time and space. Really we're just a couple of armchair guys with lots on our minds but not knowing where to put it. Talk got around to calculating where a point in time actually is. I suggested that a photograph is a point in time but my friend said that a photograph is many points of time because of the depth dimension. I argued that regardless, the point in time in the photograph is the same for every square inch of it and depth had nothing to do with it. He was convinced that because all photons captured in the photo came from different times in the past that there was no way the point in time was the same for all. Who's right?

Couple more questions.....First thing, is there a scientific term for a point in time? Instant and moment come to mind but how accurate or credible are they? Does the Uncertainty Principle mean a point in time cannot be precisely calculated, as in if I could measure the time coordinate would I know the space coordinate?