Rahul Vyas Rahul Vyas -4 years ago 136
Objective-C Question

How to add hours to an NSDate?

I have a date converted to double value and saved in database. Now, I want to compare if

currentDate > myDataBaseDate + 8
hours i.e., I want to get 8 hours added to myDataBaseDate. I'm converting date into double values. So how do I get 8 hours later time from my database saved date. How do I compare

if (currentDateTime > DateFromdatabaseValue + DateByAdding8HoursInDataBase)

Answer Source

I'm not entirely sure what you are trying to do, but you can create an NSDate object by adding time in seconds on to another NSDate using:

- (id)dateByAddingTimeInterval:(NSTimeInterval)seconds

// eg. to add 8 hours to current time:

NSDate *mydate = [NSDate date];
NSTimeInterval secondsInEightHours = 8 * 60 * 60;
NSDate *dateEightHoursAhead = [mydate dateByAddingTimeInterval:secondsInEightHours];
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