Convert date to timestamp in iOS
date, ios, nsdate, nstimeinterval
Solution
Have it a try. "mm" stands for minute while "MM" stands for month.
NSDateFormatter * dateFormatter = [[NSDateFormatter alloc] init] ;
[dateFormatter setDateFormat:@"yyyy-MM-dd"] ;
NSDate *date = [dateFormatter dateFromString:@"2014-01-23"] ;
NSLog(@"date=%@",date) ;
NSTimeInterval interval = [date timeIntervalSince1970] ;
NSLog(@"interval=%f",interval) ;
NSDate *methodStart = [NSDate dateWithTimeIntervalSince1970:interval] ;
[dateFormatter setDateFormat:@"yyyy/MM/dd "] ;
NSLog(@"result: %@", [dateFormatter stringFromDate:methodStart]) ;
Problem
How do you convert any given date to milliseconds? For example, 2014-01-23 to timestamp conversion. ``` NSDate *date = [dateFormatter dateFromString:@"2014-01-23"]; NSLog(@"date=%@",date); NSTimeInterval interval = [date timeIntervalSince1970]; NSLog(@"interval=%f",interval); NSDate *methodStart = [NSDate dateWithTimeIntervalSince1970:interval]; [dateFormatter setDateFormat:@"yyyy/mm/dd "]; NSLog(@"result: %@", [dateFormatter stringFromDate:methodStart]); ``` Output result: 1970/30/01