You cannot set reminder on goals you create, but you can set reminder on tasks with or without a goal. After you have set a reminder for a task, the reminder will help you remind to complete a task at the exact date and time.
How to set reminder
1. Tap the plus button on a goal or on To-Do.
2. Tap Add Task.
3. Tap the bell icon to set reminder.
4. Select a date and tap Save.
5. Scroll up or down to set reminder time and tap Save.
6. After you have set the reminder, tap the send icon.