Reproduce steps (Opera 25.0.1614.63):
1. Go to http://i.doit.im/home/#/today
2. Create new task with title, tomorrow, context and project.
3. Go to tomorrow view: http://i.doit.im/home/#/tomorrow
4. Don't see this task
5. Go to calendar view http://i.doit.im/home/#/calendar and see this task correctly