Get time and formatting--today, yesterday and tomorrow

1. Get today

/*!     *  @brief Get today     *   //1. Get accurate events for the current system (+ 8 hours)        nsdate *date = [NSDate date];//Get Time object        nstimezone *zone = [N Stimezone Systemtimezone]; Get the time zone of the system        nstimeinterval time = [Zone secondsfromgmtfordate:date];//returns the difference between the current and system GMT in seconds        nsdate *datenow = [Date datebyaddingtimeinterval:time];//and then add the bad time, is the current system accurate time

2. Get Yesterday and tomorrow

/*!     *  @brief get yesterday and tomorrow * *    nstimeinterval secondsperday = *        NSDate *date = [[NSDate alloc] initwithtimeintervalsincenow:-secondsperday];    Nstimezone *zone = [Nstimezone systemtimezone]; Get the time zone of the system        nstimeinterval time = [Zone secondsfromgmtfordate:date];//returns the difference between the current and system GMT in seconds        //Yesterday    NSDate *yesterday = [date datebyaddingtimeinterval:time];    Tomorrow    nsdate *tomorrow = [[NSDate alloc] initwithtimeintervalsincenow:secondsperday];

3. Time Format

/*!     *  @brief Time format *     /        nsdate *date = [NSDate date];//Get Time object        nsdateformatter *formatter = [[ NSDateFormatter alloc] init];        [ForMatter setdateformat:@ "Hh-mm-ss yyyy-mm-dd"];        NSString *datestr = [ForMatter stringfromdate:date];   

Acquisition time can also be nscalendar with the system.

Get time and formatting--today, yesterday and tomorrow