esphome:
  on_boot:
    then:
      - datetime.date.set:
          id: datetime_test_date
          date:
            year: 2021
            month: 1
            day: 1
      - datetime.date.set:
          id: datetime_test_date
          date: !lambda "return {.day_of_month = 1, .month = 1, .year = 2021};"
      - datetime.time.set:
          id: datetime_test_time
          time: "12:34:56"
      - datetime.time.set:
          id: datetime_test_time
          time: !lambda "return {.second = 56, .minute = 34, .hour = 12};"
      - datetime.datetime.set:
          id: datetime_test_datetime
          datetime: "2021-01-01 12:34:56"
      - datetime.datetime.set:
          id: datetime_test_datetime
          datetime: !lambda "return {.second = 56, .minute = 34, .hour = 12, .day_of_month = 1, .month = 1, .year = 2021};"

datetime:
  - platform: template
    name: Datetime Test Date
    id: datetime_test_date
    type: date
    optimistic: true
  - platform: template
    name: Datetime Test Time
    id: datetime_test_time
    type: time
    optimistic: true
  - platform: template
    name: Datetime Test DateTime
    id: datetime_test_datetime
    type: datetime
    optimistic: true

time: