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I’m putting together an application that will require the recording of dates as far back as the BC range; can Core Data’s date type handle this, or do I need to define another entity to properly record and format dates?
NSDate works using NSTimeInterval which is a double.
I’m not going to work out how far back in time a double will go (order of +/- 10^300 seconds or so), but I think you will be safe to use it for the BC ranges. For example: 1,000 years is about 3×10^11 seconds.