First of all - thank you for your reply.
I have known about SChartDiscontinuousTimeSeries - but it didn't worked for me because of my mistake:
i have used @"dd-MM-yyyy" date format like in TimeSeries.xcodeproject - but my datasource was @"yyyy-MM-dd HH:mm:ss ZZZ".
Now it's working!
BUT! There is a very interesting moment. My datasource date range is from 01.01.2014 till 31.12.2014 - so i try:
SChartDiscontinuousDateTimeAxis *xAxis = [[SChartDiscontinuousDateTimeAxisalloc] init];
SChartRepeatedTimePeriod *weekends = [[SChartRepeatedTimePeriodalloc] initWithStart:[selfdateFromString:@"2010-01-01 00:00:00 +0000"] andLength:[SChartDateFrequencydateFrequencyWithDay:2] andFrequency:[SChartDateFrequencydateFrequencyWithWeek:1]];
_chart.xAxis = xAxis; and it DOESN'T WORK! BUT! When i change @"2010-01-01 00:00:00 +0000" to @"2000-01-01 00:00:00 +0000" it starts working like a charm. Why? I don't know. May be magic...) Thanks, Artsiom