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Editorial Team
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Asked: 2026-06-06T23:12:38+00:00

I am converting an NSString with a date format of 2012-06-30 into an NSDate

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I am converting an NSString with a date format of 2012-06-30 into an NSDate using the following code:

NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"yyyy-MM-dd"];
NSDate *date = [dateFormatter dateFromString:dateString];

When omitting [dateFormatter setTimeZone:[NSTimeZone timeZoneForSecondsFromGMT:0]] the value in NSString is 2012-06-29 23:00:00 plus some automatically added time zone information, which indicates that the the system has some assumptions about the current time zone.

The conversion works fine when I set the time zone with the method above.

However, what would happen if the user is in a different time zone?

How can I make sure that iOS parses just the date as it is and does not add any time information?

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1 Answer

  1. Editorial Team

    The data will not change, timezones dont affect that date itself, it just affect the date presentation, so a date that says 13:00 GMT will have the same presentation of a date that is 14:00 GMT +1

    You shouldnt care about the timezones, instead for date conversion to the current time zone of the device use 

    [dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];

    This will set the time zone of the device

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