diff --git a/custom_components/ui_lovelace_minimalist/lovelace/ulm_templates/card_templates/2-line_cards/card_graph.yaml b/custom_components/ui_lovelace_minimalist/lovelace/ulm_templates/card_templates/2-line_cards/card_graph.yaml
index 5ecfd6e63..f8b5acd8e 100644
--- a/custom_components/ui_lovelace_minimalist/lovelace/ulm_templates/card_templates/2-line_cards/card_graph.yaml
+++ b/custom_components/ui_lovelace_minimalist/lovelace/ulm_templates/card_templates/2-line_cards/card_graph.yaml
@@ -12,6 +12,7 @@ card_graph:
     ulm_card_graph_hours: 24
     ulm_card_graph_type: "fill"
     ulm_card_graph_points: "0.5"
+    ulm_card_graph_group_by: "interval"
   triggers_update: "all"
   custom_fields:
     item1:
@@ -51,6 +52,7 @@ card_graph:
           fill: "[[[ return variables.ulm_card_graph_type=='fill'?true:false; ]]]"
         hours_to_show: "[[[ return variables.ulm_card_graph_hours; ]]]"
         points_per_hour: "[[[ return variables.ulm_card_graph_points; ]]]"
+        group_by: "[[[ return variables.ulm_card_graph_group_by; ]]]"
         style: |
           ha-card {
             box-shadow: none;
diff --git a/docs/usage/cards/card_graph.md b/docs/usage/cards/card_graph.md
index 30d524a98..f3658f64b 100644
--- a/docs/usage/cards/card_graph.md
+++ b/docs/usage/cards/card_graph.md
@@ -25,6 +25,7 @@ The `card_graph` shows an entity with the actual state and a *min-graph-card* in
 | ulm_card_graph_type      | fill | :material-close: | This is to change the appearance of the graph. Default is fill, but line, bar are valid options. |
 | ulm_card_graph_hours      |  24 | :material-close: | How much time should the graph cover, default is 24 hours. |
 | ulm_card_graph_points      | 0.5 | :material-close: | Specify amount of data points the graph should display for each hour. A larger number results in a more detailed graph. |
+| ulm_card_graph_group_by | interval | :material-close: | Specify type of grouping of data, dynamic interval, date or hour. |
 
 ## Usage
 
@@ -40,6 +41,7 @@ The `card_graph` shows an entity with the actual state and a *min-graph-card* in
       ulm_card_graph_entity2: sensor.bedgroom_temperature
       ulm_card_graph_type: fill
       ulm_card_graph_hours: 24
+      ulm_card_graph_group_by: interval
 ```
 
 ??? note "Template Code"