diff --git a/app/lib/admin/metrics/dimension/instance_languages_dimension.rb b/app/lib/admin/metrics/dimension/instance_languages_dimension.rb
index b478213808..661e6d93b7 100644
--- a/app/lib/admin/metrics/dimension/instance_languages_dimension.rb
+++ b/app/lib/admin/metrics/dimension/instance_languages_dimension.rb
@@ -37,11 +37,11 @@ class Admin::Metrics::Dimension::InstanceLanguagesDimension < Admin::Metrics::Di
   end
 
   def earliest_status_id
-    Mastodon::Snowflake.id_at(@start_at, with_random: false)
+    Mastodon::Snowflake.id_at(@start_at.beginning_of_day, with_random: false)
   end
 
   def latest_status_id
-    Mastodon::Snowflake.id_at(@end_at, with_random: false)
+    Mastodon::Snowflake.id_at(@end_at.end_of_day, with_random: false)
   end
 
   def params
diff --git a/app/lib/admin/metrics/dimension/servers_dimension.rb b/app/lib/admin/metrics/dimension/servers_dimension.rb
index 42aba8e213..2c8406d52f 100644
--- a/app/lib/admin/metrics/dimension/servers_dimension.rb
+++ b/app/lib/admin/metrics/dimension/servers_dimension.rb
@@ -30,10 +30,10 @@ class Admin::Metrics::Dimension::ServersDimension < Admin::Metrics::Dimension::B
   end
 
   def earliest_status_id
-    Mastodon::Snowflake.id_at(@start_at)
+    Mastodon::Snowflake.id_at(@start_at.beginning_of_day, with_random: false)
   end
 
   def latest_status_id
-    Mastodon::Snowflake.id_at(@end_at)
+    Mastodon::Snowflake.id_at(@end_at.end_of_day, with_random: false)
   end
 end
diff --git a/app/lib/admin/metrics/dimension/tag_languages_dimension.rb b/app/lib/admin/metrics/dimension/tag_languages_dimension.rb
index cd077ff863..6e283d2c65 100644
--- a/app/lib/admin/metrics/dimension/tag_languages_dimension.rb
+++ b/app/lib/admin/metrics/dimension/tag_languages_dimension.rb
@@ -40,11 +40,11 @@ class Admin::Metrics::Dimension::TagLanguagesDimension < Admin::Metrics::Dimensi
   end
 
   def earliest_status_id
-    Mastodon::Snowflake.id_at(@start_at, with_random: false)
+    Mastodon::Snowflake.id_at(@start_at.beginning_of_day, with_random: false)
   end
 
   def latest_status_id
-    Mastodon::Snowflake.id_at(@end_at, with_random: false)
+    Mastodon::Snowflake.id_at(@end_at.end_of_day, with_random: false)
   end
 
   def params
diff --git a/app/lib/admin/metrics/dimension/tag_servers_dimension.rb b/app/lib/admin/metrics/dimension/tag_servers_dimension.rb
index fc5e49a966..db820e965c 100644
--- a/app/lib/admin/metrics/dimension/tag_servers_dimension.rb
+++ b/app/lib/admin/metrics/dimension/tag_servers_dimension.rb
@@ -40,11 +40,11 @@ class Admin::Metrics::Dimension::TagServersDimension < Admin::Metrics::Dimension
   end
 
   def earliest_status_id
-    Mastodon::Snowflake.id_at(@start_at, with_random: false)
+    Mastodon::Snowflake.id_at(@start_at.beginning_of_day, with_random: false)
   end
 
   def latest_status_id
-    Mastodon::Snowflake.id_at(@end_at, with_random: false)
+    Mastodon::Snowflake.id_at(@end_at.end_of_day, with_random: false)
   end
 
   def params
diff --git a/app/lib/admin/metrics/measure/instance_statuses_measure.rb b/app/lib/admin/metrics/measure/instance_statuses_measure.rb
index 8c71c66145..b918a30a57 100644
--- a/app/lib/admin/metrics/measure/instance_statuses_measure.rb
+++ b/app/lib/admin/metrics/measure/instance_statuses_measure.rb
@@ -51,11 +51,11 @@ class Admin::Metrics::Measure::InstanceStatusesMeasure < Admin::Metrics::Measure
   end
 
   def earliest_status_id
-    Mastodon::Snowflake.id_at(@start_at, with_random: false)
+    Mastodon::Snowflake.id_at(@start_at.beginning_of_day, with_random: false)
   end
 
   def latest_status_id
-    Mastodon::Snowflake.id_at(@end_at, with_random: false)
+    Mastodon::Snowflake.id_at(@end_at.end_of_day, with_random: false)
   end
 
   def time_period