diff --git a/macros/date_add_cross_db.sql b/macros/date_add_cross_db.sql
index 2d1de55..869c244 100644
--- a/macros/date_add_cross_db.sql
+++ b/macros/date_add_cross_db.sql
@@ -3,7 +3,9 @@
     {{ date_column }} + interval '{{ days }} days'
   {% elif target.type == 'bigquery' %}
     date_add({{ date_column }}, interval {{ days }} day)
+  {% elif target.type == 'snowflake' %}
+    dateadd(day, {{ days }}, {{ date_column }})
   {% else %}
-    {{ date_column }} + interval {{ days }} day
+    {{ exceptions.raise_compiler_error("Unsupported database type: " ~ target.type) }}
   {% endif %}
 {% endmacro %}
\ No newline at end of file
diff --git a/macros/date_diff_cross_db.sql b/macros/date_diff_cross_db.sql
new file mode 100644
index 0000000..40f52b1
--- /dev/null
+++ b/macros/date_diff_cross_db.sql
@@ -0,0 +1,11 @@
+{% macro date_diff_cross_db(end_date, start_date, unit) %}
+  {% if target.type == 'bigquery' %}
+    date_diff({{ end_date }}, {{ start_date }}, {{ unit }})
+  {% elif target.type == 'postgres' %}
+    extract(epoch from ({{ end_date }} - {{ start_date }})) / 86400
+  {% elif target.type == 'snowflake' %}
+    datediff({{ unit }}, {{ start_date }}, {{ end_date }})
+  {% else %}
+    {{ exceptions.raise_compiler_error("Unsupported database type: " ~ target.type) }}
+  {% endif %}
+{% endmacro %}
\ No newline at end of file
diff --git a/macros/quarter_end_date.sql b/macros/quarter_end_date.sql
index 2bd645f..e31cc15 100644
--- a/macros/quarter_end_date.sql
+++ b/macros/quarter_end_date.sql
@@ -3,6 +3,8 @@
     DATE_ADD(DATE_ADD({{ quarter_start_column }}, INTERVAL 3 MONTH), INTERVAL -1 DAY)
   {% elif target.type == 'postgres' %}
     ({{ quarter_start_column }} + INTERVAL '3 months' - INTERVAL '1 day')::date
+  {% elif target.type == 'snowflake' %}
+    DATEADD(DAY, -1, DATEADD(MONTH, 3, {{ quarter_start_column }}))
   {% else %}
     {{ exceptions.raise_compiler_error("Unsupported database type: " ~ target.type) }}
   {% endif %}
diff --git a/models/demo/deals.sql b/models/demo/deals.sql
index 33101d1..c66bc87 100644
--- a/models/demo/deals.sql
+++ b/models/demo/deals.sql
@@ -9,6 +9,6 @@ select
     -- this code keeps the date fields relevant for the demo environment
     -- it adds the difference between the current date and a fixed date (2025-01-01)
     -- to the original date fields, effectively shifting them into the future
-    {{ date_add_cross_db('created_date', 'date_diff(current_date(), \'2025-01-01\', day)') }} as created_date
+    {{ date_add_cross_db('created_date', date_diff_cross_db('current_date()', '\'2025-01-01\'', 'day')) }} as created_date
 from 
     {{ ref('deals_raw') }}
diff --git a/models/demo/tracks.sql b/models/demo/tracks.sql
index 8a84a29..11730df 100644
--- a/models/demo/tracks.sql
+++ b/models/demo/tracks.sql
@@ -6,7 +6,7 @@ select
     -- this code keeps the date fields relevant for the demo environment
     -- it adds the difference between the current date and a fixed date (2025-01-01)
     -- to the original date fields, effectively shifting them into the future
-    {{ date_add_cross_db('t.event_timestamp', 'date_diff(current_date(), \'2025-01-01\', day)') }} as timestamp
+    {{ date_add_cross_db('t.event_timestamp', date_diff_cross_db('current_date()', '\'2025-01-01\'', 'day')) }} as timestamp
 from 
     {{ ref('tracks_raw') }} t
 
diff --git a/models/demo/users.sql b/models/demo/users.sql
index d051ec9..c079c5d 100644
--- a/models/demo/users.sql
+++ b/models/demo/users.sql
@@ -27,8 +27,8 @@ select
     -- this code keeps the date fields relevant for the demo environment
     -- it adds the difference between the current date and a fixed date (2025-01-01)
     -- to the original date fields, effectively shifting them into the future
-    {{ date_add_cross_db('created_at', 'date_diff(current_date(), \'2025-01-01\', day)') }} as created_at,
-    {{ date_add_cross_db('first_logged_in_at', 'date_diff(current_date(), \'2025-01-01\', day)') }} as first_logged_in_at,
-    {{ date_add_cross_db('latest_logged_in_at', 'date_diff(current_date(), \'2025-01-01\', day)') }} as latest_logged_in_at
+    {{ date_add_cross_db('created_at', date_diff_cross_db('current_date()', '\'2025-01-01\'', 'day')) }} as created_at,
+    {{ date_add_cross_db('first_logged_in_at', date_diff_cross_db('current_date()', '\'2025-01-01\'', 'day')) }} as first_logged_in_at,
+    {{ date_add_cross_db('latest_logged_in_at', date_diff_cross_db('current_date()', '\'2025-01-01\'', 'day')) }} as latest_logged_in_at
 from 
     cleaned_data
\ No newline at end of file