How to create the alarm clock in HASS?

Configuration
61

bad indentation of a mapping entry (159:20)

156 | mode: single
157 | # Alarm Clock - 3. Sensor.yaml
158 | - platform: time_date
159 | display_options:
--------------------------^
160 | - ‘time’
161 | - ‘date’

Getting this error

62

Ive done a write up here if it is of use to anyone. Main difference is I am using input_select to make setting the alarm easier from a mobile device in the UI