## Is your feature request related to a problem?

Compare year to date
![image](https://user-images.githubusercontent.com/1727427/101010122-8044ed00-3562-11eb-8be1-8462250ef97a.png)

With last 90 days [(link)](https://app.posthog.net/insights?display=ActionsBar&events=%5B%7B%22id%22%3A%22%24pageview%22%2C%22name%22%3A%22%24pageview%22%2C%22type%22%3A%22events%22%2C%22order%22%3A0%2C%22math%22%3A%22total%22%7D%5D&shown_as=Lifecycle&actions=%5B%5D&properties=%5B%7B%22key%22%3A%22%24current_url%22%2C%22value%22%3A%22https%3A%2F%2Fposthog.com%22%2C%22operator%22%3A%22not_icontains%22%2C%22type%22%3A%22event%22%7D%2C%7B%22key%22%3A%22id%22%2C%22value%22%3A71%2C%22type%22%3A%22cohort%22%7D%5D&interval=week&date_from=-90d)
![image](https://user-images.githubusercontent.com/1727427/101010537-9f437f00-3562-11eb-8e9f-a7e75f0018f5.png)


## Describe the solution you'd like



## Describe alternatives you've considered



## Additional context



#### *Thank you* for your feature request – we love each and every one!

posthog/queries/test/test_trends.py
self._create_events()
            with freeze_time("2020-01-04T13:00:01Z"):
                response = trends().run(
                    Filter(
                        data={
                            "date_from": "-7d",
                            "events": [
                                {"id": "sign up", "properties": [{"key": "$some_property", "value": "value"}],},
                                {"id": "sign up", "properties": [{"key": "$some_property", "value": "other_value"}],},
                            ],
                        }
                    ),
                    self.team,
                )
            self.assertEqual(response[0]["labels"][4], "Wed. 1 January")
            self.assertEqual(response[0]["data"][4], 1)
            self.assertEqual(response[0]["count"], 1)
            self.assertEqual(response[1]["labels"][5], "Thu. 2 January")
            self.assertEqual(response[1]["data"][5], 1)
            self.assertEqual(response[1]["count"], 1)
        def _create_multiple_people(self):