When I use select option, the first option of ng-option shows always blank till I select the value. I have tried option also:
<select class="form-control" ng-model="userDetails.selectedtimezone">
<option ng-repeat="selecttimezonelist in timezones" ng-selected="userDetails.selectedtimezone == selecttimezonelist.id" value="{{selecttimezonelist.id}}">{{selecttimezonelist.timezone}}</option>
</select>