Time shows 30 minutes delay than actual time about flutter-beginners-tutorial HOT 2 CLOSED

I followed your YouTube tutorial to make this project. However when I chose the time of India it showed me the time 30 minutes behind the actual time. e.g. If it is 12:30 the clock shows 12. The World Time api gives the time correctly but this line : DateTime now = DateTime.parse(datetime); gives the wrong time output. Is it a problem with the DateTime module or my OS timezone?
My time zone url is 'Asia/Kolkata'

Actually we just added hour and left minutes in our datetime by using substring.

So you can try this.

String offsethour = data['utc_offset'].substring(1,3);
String offsetminutes = data['utc_offset'].substring(4,6);
DateTime now = DateTime.parse(geotime);
now = now.add(Duration(hours: int.parse(offsethour)));
now = now.add(Duration(minutes: int.parse(offsetminutes)));
time = DateFormat.jm().format(now);

from flutter-beginners-tutorial.

Thanks. It works fine now

from flutter-beginners-tutorial.