Is there a better way to do this?

-(NSDate *)getMidnightTommorow {
    NSCalendarDate *now = [NSCalendarDate date];
    NSCalendarDate *tomorrow = [now dateByAddingYears:0 months:0 days:1 hours:0 minutes:0 seconds:0];
    return [NSCalendarDate dateWithYear:[tomorrow yearOfCommonEra]
                                  month:[tomorrow monthOfYear]
                                    day:[tomorrow dayOfMonth]
                                   hour:0
                                 minute:0
                                 second:0
                               timeZone:[tomorrow timeZone]];
}

Note that I always want the next midnight, even if it happens to be midnight when I make that call, however if it happens to be 23:59:59, I of course want the midnight that is coming in one second.

The natural language functions seem flaky, and I'm not sure what Cocoa would do if I pass 32 in the "day" field. (If that'd work I could drop the [now dateByAddingYears:...] call)

cocoa date performance
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