What time is it? Simple enough question, but right now, at this exact point in time, there could be several people reading this question in different areas of the world. The answer for each would be different even though it is the exact same temporal moment. Here on planet Earth, the differences all have to do with time zones and we all pretty much know what those are. What's a little more difficult is how that could impact your code.
If someone submits an order and that time is recorded, what time was the order submitted? To answer that, you have...