TimeTill for Calendar and Reminders
The app displays your device Calendar's events and Reminders' items in one sorted by time list. You see them all at one glance with time left until.
You can see separately the calendars events, or only reminders items, or both together in the same list. Also, select which calendars to use to show events in the list:
Select important events and reminders with single tap and then have a look at the selected list when needed.