diff --git a/lib/plausible/stats/interval.ex b/lib/plausible/stats/interval.ex
index ae80ba8eab32a..116f711c99e4e 100644
--- a/lib/plausible/stats/interval.ex
+++ b/lib/plausible/stats/interval.ex
@@ -7,8 +7,6 @@ defmodule Plausible.Stats.Interval do
   `week`, and `month`.
   """
 
-  alias Plausible.Stats.Query
-
   @type t() :: String.t()
   @type(opt() :: {:site, Plausible.Site.t()} | {:from, Date.t()}, {:to, Date.t()})
   @type opts :: list(opt())
@@ -105,116 +103,4 @@ defmodule Plausible.Stats.Interval do
   def valid_for_period?(period, interval, opts \\ []) do
     interval in Map.get(valid_by_period(opts), period, [])
   end
-
-  def format_datetime(%Date{} = date), do: Date.to_string(date)
-
-  def format_datetime(%DateTime{} = datetime),
-    do: Timex.format!(datetime, "{YYYY}-{0M}-{0D} {h24}:{m}:{s}")
-
-  # Realtime graphs return numbers
-  def format_datetime(other), do: other
-
-  @doc """
-  Returns list of time bucket labels for the given query.
-  """
-  def time_dimension(query) do
-    Enum.find(query.dimensions, &String.starts_with?(&1, "time"))
-  end
-
-  def time_labels(query) do
-    time_labels_for_dimension(time_dimension(query), query)
-  end
-
-  defp time_labels_for_dimension("time:month", query) do
-    n_buckets =
-      Timex.diff(
-        query.date_range.last,
-        Date.beginning_of_month(query.date_range.first),
-        :months
-      )
-
-    Enum.map(n_buckets..0, fn shift ->
-      query.date_range.last
-      |> Date.beginning_of_month()
-      |> Timex.shift(months: -shift)
-      |> format_datetime()
-    end)
-  end
-
-  defp time_labels_for_dimension("time:week", query) do
-    n_buckets =
-      Timex.diff(
-        query.date_range.last,
-        Date.beginning_of_week(query.date_range.first),
-        :weeks
-      )
-
-    Enum.map(0..n_buckets, fn shift ->
-      query.date_range.first
-      |> Timex.shift(weeks: shift)
-      |> date_or_weekstart(query)
-      |> format_datetime()
-    end)
-  end
-
-  defp time_labels_for_dimension("time:day", query) do
-    query.date_range
-    |> Enum.into([])
-    |> Enum.map(&format_datetime/1)
-  end
-
-  @full_day_in_hours 23
-  defp time_labels_for_dimension("time:hour", query) do
-    n_buckets =
-      if query.date_range.first == query.date_range.last do
-        @full_day_in_hours
-      else
-        end_time =
-          query.date_range.last
-          |> Timex.to_datetime()
-          |> Timex.end_of_day()
-
-        Timex.diff(end_time, query.date_range.first, :hours)
-      end
-
-    Enum.map(0..n_buckets, fn step ->
-      query.date_range.first
-      |> Timex.to_datetime()
-      |> Timex.shift(hours: step)
-      |> DateTime.truncate(:second)
-      |> format_datetime()
-    end)
-  end
-
-  # Only supported in dashboards not via API
-  defp time_labels_for_dimension("time:minute", %Query{period: "30m"}) do
-    Enum.into(-30..-1, [])
-  end
-
-  @full_day_in_minutes 24 * 60 - 1
-  defp time_labels_for_dimension("time:minute", query) do
-    n_buckets =
-      if query.date_range.first == query.date_range.last do
-        @full_day_in_minutes
-      else
-        Timex.diff(query.date_range.last, query.date_range.first, :minutes)
-      end
-
-    Enum.map(0..n_buckets, fn step ->
-      query.date_range.first
-      |> Timex.to_datetime()
-      |> Timex.shift(minutes: step)
-      |> format_datetime()
-    end)
-  end
-
-  defp date_or_weekstart(date, query) do
-    weekstart = Timex.beginning_of_week(date)
-
-    if Enum.member?(query.date_range, weekstart) do
-      weekstart
-    else
-      date
-    end
-  end
 end
diff --git a/lib/plausible/stats/query_result.ex b/lib/plausible/stats/query_result.ex
index e4c8791e81bb0..c59d22ddcf411 100644
--- a/lib/plausible/stats/query_result.ex
+++ b/lib/plausible/stats/query_result.ex
@@ -1,7 +1,6 @@
 defmodule Plausible.Stats.QueryResult do
   @moduledoc false
 
-  alias Plausible.Stats.Interval
   alias Plausible.Stats.Util
   alias Plausible.Stats.Filters
 
@@ -49,7 +48,7 @@ defmodule Plausible.Stats.QueryResult do
   defp dimension_label("time:" <> _ = time_dimension, entry, query) do
     datetime = Map.get(entry, Util.shortname(query, time_dimension))
 
-    Interval.format_datetime(datetime)
+    Plausible.Stats.Time.format_datetime(datetime)
   end
 
   defp dimension_label(dimension, entry, query) do
@@ -72,7 +71,8 @@ defmodule Plausible.Stats.QueryResult do
           :unsupported_query -> @imports_unsupported_query_warning
           _ -> nil
         end,
-      time_labels: if(query.include.time_labels, do: Interval.time_labels(query), else: nil)
+      time_labels:
+        if(query.include.time_labels, do: Plausible.Stats.Time.time_labels(query), else: nil)
     }
     |> Enum.reject(fn {_, value} -> is_nil(value) end)
     |> Enum.into(%{})
diff --git a/lib/plausible/stats/time.ex b/lib/plausible/stats/time.ex
new file mode 100644
index 0000000000000..c8c0d7a71feee
--- /dev/null
+++ b/lib/plausible/stats/time.ex
@@ -0,0 +1,118 @@
+defmodule Plausible.Stats.Time do
+  @moduledoc """
+  Collection of functions to work with time in queries.
+  """
+
+  alias Plausible.Stats.Query
+  def format_datetime(%Date{} = date), do: Date.to_string(date)
+
+  def format_datetime(%DateTime{} = datetime),
+    do: Timex.format!(datetime, "{YYYY}-{0M}-{0D} {h24}:{m}:{s}")
+
+  # Realtime graphs return numbers
+  def format_datetime(other), do: other
+
+  @doc """
+  Returns list of time bucket labels for the given query.
+  """
+  def time_dimension(query) do
+    Enum.find(query.dimensions, &String.starts_with?(&1, "time"))
+  end
+
+  def time_labels(query) do
+    time_labels_for_dimension(time_dimension(query), query)
+  end
+
+  defp time_labels_for_dimension("time:month", query) do
+    n_buckets =
+      Timex.diff(
+        query.date_range.last,
+        Date.beginning_of_month(query.date_range.first),
+        :months
+      )
+
+    Enum.map(n_buckets..0, fn shift ->
+      query.date_range.last
+      |> Date.beginning_of_month()
+      |> Timex.shift(months: -shift)
+      |> format_datetime()
+    end)
+  end
+
+  defp time_labels_for_dimension("time:week", query) do
+    n_buckets =
+      Timex.diff(
+        query.date_range.last,
+        Date.beginning_of_week(query.date_range.first),
+        :weeks
+      )
+
+    Enum.map(0..n_buckets, fn shift ->
+      query.date_range.first
+      |> Timex.shift(weeks: shift)
+      |> date_or_weekstart(query)
+      |> format_datetime()
+    end)
+  end
+
+  defp time_labels_for_dimension("time:day", query) do
+    query.date_range
+    |> Enum.into([])
+    |> Enum.map(&format_datetime/1)
+  end
+
+  @full_day_in_hours 23
+  defp time_labels_for_dimension("time:hour", query) do
+    n_buckets =
+      if query.date_range.first == query.date_range.last do
+        @full_day_in_hours
+      else
+        end_time =
+          query.date_range.last
+          |> Timex.to_datetime()
+          |> Timex.end_of_day()
+
+        Timex.diff(end_time, query.date_range.first, :hours)
+      end
+
+    Enum.map(0..n_buckets, fn step ->
+      query.date_range.first
+      |> Timex.to_datetime()
+      |> Timex.shift(hours: step)
+      |> DateTime.truncate(:second)
+      |> format_datetime()
+    end)
+  end
+
+  # Only supported in dashboards not via API
+  defp time_labels_for_dimension("time:minute", %Query{period: "30m"}) do
+    Enum.into(-30..-1, [])
+  end
+
+  @full_day_in_minutes 24 * 60 - 1
+  defp time_labels_for_dimension("time:minute", query) do
+    n_buckets =
+      if query.date_range.first == query.date_range.last do
+        @full_day_in_minutes
+      else
+        Timex.diff(query.date_range.last, query.date_range.first, :minutes)
+      end
+
+    Enum.map(0..n_buckets, fn step ->
+      query.date_range.first
+      |> Timex.to_datetime()
+      |> Timex.shift(minutes: step)
+      |> format_datetime()
+    end)
+  end
+
+  defp date_or_weekstart(date, query) do
+    weekstart = Timex.beginning_of_week(date)
+
+    if Enum.member?(query.date_range, weekstart) do
+      weekstart
+    else
+      date
+    end
+  end
+end
diff --git a/test/plausible/stats/interval_test.exs b/test/plausible/stats/interval_test.exs
index 57d15969ffa81..36e3c68093de2 100644
--- a/test/plausible/stats/interval_test.exs
+++ b/test/plausible/stats/interval_test.exs
@@ -123,156 +123,4 @@ defmodule Plausible.Stats.IntervalTest do
              )
     end
   end
-
-  describe "time_labels/1" do
-    test "with time:month dimension" do
-      assert time_labels(%{
-               dimensions: ["visit:device", "time:month"],
-               date_range: Date.range(~D[2022-01-17], ~D[2022-02-01])
-             }) == [
-               "2022-01-01",
-               "2022-02-01"
-             ]
-
-      assert time_labels(%{
-               dimensions: ["visit:device", "time:month"],
-               date_range: Date.range(~D[2022-01-01], ~D[2022-03-07])
-             }) == [
-               "2022-01-01",
-               "2022-02-01",
-               "2022-03-01"
-             ]
-    end
-
-    test "with time:week dimension" do
-      assert time_labels(%{
-               dimensions: ["time:week"],
-               date_range: Date.range(~D[2020-12-20], ~D[2021-01-08])
-             }) == [
-               "2020-12-20",
-               "2020-12-21",
-               "2020-12-28",
-               "2021-01-04"
-             ]
-
-      assert time_labels(%{
-               dimensions: ["time:week"],
-               date_range: Date.range(~D[2020-12-21], ~D[2021-01-03])
-             }) == [
-               "2020-12-21",
-               "2020-12-28"
-             ]
-    end
-
-    test "with time:day dimension" do
-      assert time_labels(%{
-               dimensions: ["time:day"],
-               date_range: Date.range(~D[2022-01-17], ~D[2022-02-02])
-             }) == [
-               "2022-01-17",
-               "2022-01-18",
-               "2022-01-19",
-               "2022-01-20",
-               "2022-01-21",
-               "2022-01-22",
-               "2022-01-23",
-               "2022-01-24",
-               "2022-01-25",
-               "2022-01-26",
-               "2022-01-27",
-               "2022-01-28",
-               "2022-01-29",
-               "2022-01-30",
-               "2022-01-31",
-               "2022-02-01",
-               "2022-02-02"
-             ]
-    end
-
-    test "with time:hour dimension" do
-      assert time_labels(%{
-               dimensions: ["time:hour"],
-               date_range: Date.range(~D[2022-01-17], ~D[2022-01-17])
-             }) == [
-               "2022-01-17 00:00:00",
-               "2022-01-17 01:00:00",
-               "2022-01-17 02:00:00",
-               "2022-01-17 03:00:00",
-               "2022-01-17 04:00:00",
-               "2022-01-17 05:00:00",
-               "2022-01-17 06:00:00",
-               "2022-01-17 07:00:00",
-               "2022-01-17 08:00:00",
-               "2022-01-17 09:00:00",
-               "2022-01-17 10:00:00",
-               "2022-01-17 11:00:00",
-               "2022-01-17 12:00:00",
-               "2022-01-17 13:00:00",
-               "2022-01-17 14:00:00",
-               "2022-01-17 15:00:00",
-               "2022-01-17 16:00:00",
-               "2022-01-17 17:00:00",
-               "2022-01-17 18:00:00",
-               "2022-01-17 19:00:00",
-               "2022-01-17 20:00:00",
-               "2022-01-17 21:00:00",
-               "2022-01-17 22:00:00",
-               "2022-01-17 23:00:00"
-             ]
-
-      assert time_labels(%{
-               dimensions: ["time:hour"],
-               date_range: Date.range(~D[2022-01-17], ~D[2022-01-18])
-             }) == [
-               "2022-01-17 00:00:00",
-               "2022-01-17 01:00:00",
-               "2022-01-17 02:00:00",
-               "2022-01-17 03:00:00",
-               "2022-01-17 04:00:00",
-               "2022-01-17 05:00:00",
-               "2022-01-17 06:00:00",
-               "2022-01-17 07:00:00",
-               "2022-01-17 08:00:00",
-               "2022-01-17 09:00:00",
-               "2022-01-17 10:00:00",
-               "2022-01-17 11:00:00",
-               "2022-01-17 12:00:00",
-               "2022-01-17 13:00:00",
-               "2022-01-17 14:00:00",
-               "2022-01-17 15:00:00",
-               "2022-01-17 16:00:00",
-               "2022-01-17 17:00:00",
-               "2022-01-17 18:00:00",
-               "2022-01-17 19:00:00",
-               "2022-01-17 20:00:00",
-               "2022-01-17 21:00:00",
-               "2022-01-17 22:00:00",
-               "2022-01-17 23:00:00",
-               "2022-01-18 00:00:00",
-               "2022-01-18 01:00:00",
-               "2022-01-18 02:00:00",
-               "2022-01-18 03:00:00",
-               "2022-01-18 04:00:00",
-               "2022-01-18 05:00:00",
-               "2022-01-18 06:00:00",
-               "2022-01-18 07:00:00",
-               "2022-01-18 08:00:00",
-               "2022-01-18 09:00:00",
-               "2022-01-18 10:00:00",
-               "2022-01-18 11:00:00",
-               "2022-01-18 12:00:00",
-               "2022-01-18 13:00:00",
-               "2022-01-18 14:00:00",
-               "2022-01-18 15:00:00",
-               "2022-01-18 16:00:00",
-               "2022-01-18 17:00:00",
-               "2022-01-18 18:00:00",
-               "2022-01-18 19:00:00",
-               "2022-01-18 20:00:00",
-               "2022-01-18 21:00:00",
-               "2022-01-18 22:00:00",
-               "2022-01-18 23:00:00"
-             ]
-    end
-  end
 end
diff --git a/test/plausible/stats/time_test.exs b/test/plausible/stats/time_test.exs
new file mode 100644
index 0000000000000..9bf7a0112b47d
--- /dev/null
+++ b/test/plausible/stats/time_test.exs
@@ -0,0 +1,157 @@
+defmodule Plausible.Stats.IntervalTest do
+  use Plausible.DataCase, async: true
+
+  import Plausible.Stats.Time
+
+  describe "time_labels/1" do
+    test "with time:month dimension" do
+      assert time_labels(%{
+               dimensions: ["visit:device", "time:month"],
+               date_range: Date.range(~D[2022-01-17], ~D[2022-02-01])
+             }) == [
+               "2022-01-01",
+               "2022-02-01"
+             ]
+
+      assert time_labels(%{
+               dimensions: ["visit:device", "time:month"],
+               date_range: Date.range(~D[2022-01-01], ~D[2022-03-07])
+             }) == [
+               "2022-01-01",
+               "2022-02-01",
+               "2022-03-01"
+             ]
+    end
+
+    test "with time:week dimension" do
+      assert time_labels(%{
+               dimensions: ["time:week"],
+               date_range: Date.range(~D[2020-12-20], ~D[2021-01-08])
+             }) == [
+               "2020-12-20",
+               "2020-12-21",
+               "2020-12-28",
+               "2021-01-04"
+             ]
+
+      assert time_labels(%{
+               dimensions: ["time:week"],
+               date_range: Date.range(~D[2020-12-21], ~D[2021-01-03])
+             }) == [
+               "2020-12-21",
+               "2020-12-28"
+             ]
+    end
+
+    test "with time:day dimension" do
+      assert time_labels(%{
+               dimensions: ["time:day"],
+               date_range: Date.range(~D[2022-01-17], ~D[2022-02-02])
+             }) == [
+               "2022-01-17",
+               "2022-01-18",
+               "2022-01-19",
+               "2022-01-20",
+               "2022-01-21",
+               "2022-01-22",
+               "2022-01-23",
+               "2022-01-24",
+               "2022-01-25",
+               "2022-01-26",
+               "2022-01-27",
+               "2022-01-28",
+               "2022-01-29",
+               "2022-01-30",
+               "2022-01-31",
+               "2022-02-01",
+               "2022-02-02"
+             ]
+    end
+
+    test "with time:hour dimension" do
+      assert time_labels(%{
+               dimensions: ["time:hour"],
+               date_range: Date.range(~D[2022-01-17], ~D[2022-01-17])
+             }) == [
+               "2022-01-17 00:00:00",
+               "2022-01-17 01:00:00",
+               "2022-01-17 02:00:00",
+               "2022-01-17 03:00:00",
+               "2022-01-17 04:00:00",
+               "2022-01-17 05:00:00",
+               "2022-01-17 06:00:00",
+               "2022-01-17 07:00:00",
+               "2022-01-17 08:00:00",
+               "2022-01-17 09:00:00",
+               "2022-01-17 10:00:00",
+               "2022-01-17 11:00:00",
+               "2022-01-17 12:00:00",
+               "2022-01-17 13:00:00",
+               "2022-01-17 14:00:00",
+               "2022-01-17 15:00:00",
+               "2022-01-17 16:00:00",
+               "2022-01-17 17:00:00",
+               "2022-01-17 18:00:00",
+               "2022-01-17 19:00:00",
+               "2022-01-17 20:00:00",
+               "2022-01-17 21:00:00",
+               "2022-01-17 22:00:00",
+               "2022-01-17 23:00:00"
+             ]
+
+      assert time_labels(%{
+               dimensions: ["time:hour"],
+               date_range: Date.range(~D[2022-01-17], ~D[2022-01-18])
+             }) == [
+               "2022-01-17 00:00:00",
+               "2022-01-17 01:00:00",
+               "2022-01-17 02:00:00",
+               "2022-01-17 03:00:00",
+               "2022-01-17 04:00:00",
+               "2022-01-17 05:00:00",
+               "2022-01-17 06:00:00",
+               "2022-01-17 07:00:00",
+               "2022-01-17 08:00:00",
+               "2022-01-17 09:00:00",
+               "2022-01-17 10:00:00",
+               "2022-01-17 11:00:00",
+               "2022-01-17 12:00:00",
+               "2022-01-17 13:00:00",
+               "2022-01-17 14:00:00",
+               "2022-01-17 15:00:00",
+               "2022-01-17 16:00:00",
+               "2022-01-17 17:00:00",
+               "2022-01-17 18:00:00",
+               "2022-01-17 19:00:00",
+               "2022-01-17 20:00:00",
+               "2022-01-17 21:00:00",
+               "2022-01-17 22:00:00",
+               "2022-01-17 23:00:00",
+               "2022-01-18 00:00:00",
+               "2022-01-18 01:00:00",
+               "2022-01-18 02:00:00",
+               "2022-01-18 03:00:00",
+               "2022-01-18 04:00:00",
+               "2022-01-18 05:00:00",
+               "2022-01-18 06:00:00",
+               "2022-01-18 07:00:00",
+               "2022-01-18 08:00:00",
+               "2022-01-18 09:00:00",
+               "2022-01-18 10:00:00",
+               "2022-01-18 11:00:00",
+               "2022-01-18 12:00:00",
+               "2022-01-18 13:00:00",
+               "2022-01-18 14:00:00",
+               "2022-01-18 15:00:00",
+               "2022-01-18 16:00:00",
+               "2022-01-18 17:00:00",
+               "2022-01-18 18:00:00",
+               "2022-01-18 19:00:00",
+               "2022-01-18 20:00:00",
+               "2022-01-18 21:00:00",
+               "2022-01-18 22:00:00",
+               "2022-01-18 23:00:00"
+             ]
+    end
+  end
+end