diff --git a/api/chalicelib/core/sessions/sessions_ch.py b/api/chalicelib/core/sessions/sessions_ch.py
index 6a987a2d3..63c1c9401 100644
--- a/api/chalicelib/core/sessions/sessions_ch.py
+++ b/api/chalicelib/core/sessions/sessions_ch.py
@@ -121,8 +121,10 @@ def search2_series(data: schemas.SessionsSearchPayloadSchema, project_id: int, d
                     s.pop("main_count")
             sessions = {"count": count, "values": helper.list_to_camel_case(sessions)}
 
-        return helper.complete_missing_steps(rows=sessions, start_timestamp=data.startTimestamp,
-                                             end_timestamp=data.endTimestamp, step=step_size, neutral={"count": 0})
+        return metrics_helper.complete_missing_steps(rows=sessions,
+                                                     start_timestamp=data.startTimestamp,
+                                                     end_timestamp=data.endTimestamp, step=step_size,
+                                                     neutral={"count": 0})
 
 
 def search2_table(data: schemas.SessionsSearchPayloadSchema, project_id: int, density: int,
diff --git a/api/chalicelib/utils/helper.py b/api/chalicelib/utils/helper.py
index 6710100ba..4d0d09427 100644
--- a/api/chalicelib/utils/helper.py
+++ b/api/chalicelib/utils/helper.py
@@ -336,19 +336,3 @@ def cast_session_id_to_string(data):
     return data
 
 
-from typing import List
-
-
-def complete_missing_steps(rows: List[dict], start_timestamp: int, end_timestamp: int, step: int, neutral: dict,
-                           time_key: str = "timestamp") -> List[dict]:
-    result = []
-    i = 0
-    for t in range(start_timestamp, end_timestamp, step):
-        if i >= len(rows) or rows[i][time_key] > t:
-            neutral[time_key] = t
-            result.append(neutral.copy())
-        elif i < len(rows) and rows[i][time_key] == t:
-            result.append(rows[i])
-            i += 1
-
-    return result
diff --git a/api/chalicelib/utils/metrics_helper.py b/api/chalicelib/utils/metrics_helper.py
index fa9bca6a6..a6ee927bc 100644
--- a/api/chalicelib/utils/metrics_helper.py
+++ b/api/chalicelib/utils/metrics_helper.py
@@ -1,7 +1,27 @@
+from typing import List
+
+
 def get_step_size(startTimestamp, endTimestamp, density, decimal=False, factor=1000):
+    print("-------density:")
+    print(density)
     step_size = (endTimestamp // factor - startTimestamp // factor)
     if density <= 1:
         return step_size
     if decimal:
         return step_size / density
     return step_size // density
+
+
+def complete_missing_steps(rows: List[dict], start_timestamp: int, end_timestamp: int, step: int, neutral: dict,
+                           time_key: str = "timestamp") -> List[dict]:
+    result = []
+    i = 0
+    for t in range(start_timestamp, end_timestamp, step):
+        print(t)
+        if i >= len(rows) or rows[i][time_key] > t:
+            neutral[time_key] = t
+            result.append(neutral.copy())
+        elif i < len(rows) and rows[i][time_key] == t:
+            result.append(rows[i])
+            i += 1
+    return result
diff --git a/frontend/app/types/app/period.js b/frontend/app/types/app/period.js
index 768bca7de..e614f2dd2 100644
--- a/frontend/app/types/app/period.js
+++ b/frontend/app/types/app/period.js
@@ -20,12 +20,11 @@ function getRange(rangeName, offset) {
     const now = DateTime.now().setZone(offset);
     switch (rangeName) {
         case TODAY:
-            return Interval.fromDateTimes(now.startOf("day"), now.endOf("day"));
+            return Interval.fromDateTimes(now.startOf("day"), now.plus({ days:1 }).startOf("day"));
         case YESTERDAY:
-            const yesterday = now.minus({ days: 1 });
             return Interval.fromDateTimes(
-              yesterday.startOf("day"),
-              yesterday.endOf("day")
+              now.minus({ days: 1 }).startOf("day"),
+              now.startOf("day")
             );
         case LAST_24_HOURS:
             return Interval.fromDateTimes(now.minus({ hours: 24 }), now);
@@ -37,12 +36,12 @@ function getRange(rangeName, offset) {
         case LAST_7_DAYS:
             return Interval.fromDateTimes(
               now.minus({ days: 6 }).startOf("day"),
-              now.endOf("day")
+              now.plus({ days: 1 }).startOf("day")
             );
         case LAST_30_DAYS:
             return Interval.fromDateTimes(
               now.minus({ days: 29 }).startOf("day"),
-              now.endOf("day")
+              now.plus({ days: 1 }).startOf("day")
             );
         case THIS_MONTH:
             return Interval.fromDateTimes(now.startOf("month"), now.endOf("month"));
@@ -56,12 +55,12 @@ function getRange(rangeName, offset) {
         case PREV_7_DAYS:
             return Interval.fromDateTimes(
               now.minus({ days: 13 }).startOf("day"),
-              now.minus({ days: 7 }).endOf("day")
+              now.minus({ days: 6 }).startOf("day")
             );
         case PREV_30_DAYS:
             return Interval.fromDateTimes(
               now.minus({ days: 59 }).startOf("day"),
-              now.minus({ days: 30 }).endOf("day")
+              now.minus({ days: 29 }).startOf("day")
             );
         default:
             return Interval.fromDateTimes(now, now);