diff --git a/app/models/officing/residence.rb b/app/models/officing/residence.rb
index 3f5b184ba..ba930b16c 100644
--- a/app/models/officing/residence.rb
+++ b/app/models/officing/residence.rb
@@ -29,7 +29,7 @@ class Officing::Residence
         document_number:       document_number,
         document_type:         document_type,
         geozone:               geozone,
-        date_of_birth:         date_of_birth.to_datetime,
+        date_of_birth:         date_of_birth.in_time_zone.to_datetime,
         gender:                gender,
         residence_verified_at: Time.current,
         verified_at:           Time.current,
diff --git a/app/models/verification/residence.rb b/app/models/verification/residence.rb
index 14f30254f..0b8f420ce 100644
--- a/app/models/verification/residence.rb
+++ b/app/models/verification/residence.rb
@@ -32,7 +32,7 @@ class Verification::Residence
     user.update(document_number:       document_number,
                 document_type:         document_type,
                 geozone:               geozone,
-                date_of_birth:         date_of_birth.to_datetime,
+                date_of_birth:         date_of_birth.in_time_zone.to_datetime,
                 gender:                gender,
                 residence_verified_at: Time.current)
   end
diff --git a/lib/census_api.rb b/lib/census_api.rb
index 4fdbd37cb..44bd69ac3 100644
--- a/lib/census_api.rb
+++ b/lib/census_api.rb
@@ -23,7 +23,7 @@ class CensusApi
       str = data[:datos_habitante][:item][:fecha_nacimiento_string]
       day, month, year = str.match(/(\d\d?)\D(\d\d?)\D(\d\d\d?\d?)/)[1..3]
       return nil unless day.present? && month.present? && year.present?
-      Date.new(year.to_i, month.to_i, day.to_i)
+      Time.zone.local(year.to_i, month.to_i, day.to_i).to_date
     end
 
     def postal_code
diff --git a/spec/controllers/admin/api/stats_controller_spec.rb b/spec/controllers/admin/api/stats_controller_spec.rb
index 97ad5d0be..29cb36724 100644
--- a/spec/controllers/admin/api/stats_controller_spec.rb
+++ b/spec/controllers/admin/api/stats_controller_spec.rb
@@ -17,9 +17,9 @@ describe Admin::Api::StatsController do
 
     context 'events present' do
       before do
-        time_1 = DateTime.parse("2015-01-01").in_time_zone
-        time_2 = DateTime.parse("2015-01-02").in_time_zone
-        time_3 = DateTime.parse("2015-01-03").in_time_zone
+        time_1 = Time.zone.local(2015, 01, 01)
+        time_2 = Time.zone.local(2015, 01, 02)
+        time_3 = Time.zone.local(2015, 01, 03)
 
         create :ahoy_event, name: 'foo', time: time_1
         create :ahoy_event, name: 'foo', time: time_1
@@ -52,8 +52,8 @@ describe Admin::Api::StatsController do
 
     context 'visits present' do
       it 'returns visits formated for working with c3.js' do
-        time_1 = DateTime.parse("2015-01-01").in_time_zone
-        time_2 = DateTime.parse("2015-01-02").in_time_zone
+        time_1 = Time.zone.local(2015, 01, 01)
+        time_2 = Time.zone.local(2015, 01, 02)
 
         create :visit, started_at: time_1
         create :visit, started_at: time_1
@@ -71,8 +71,8 @@ describe Admin::Api::StatsController do
 
     context 'visits and events present' do
       it 'returns combined events and visits formated for working with c3.js' do
-        time_1 = DateTime.parse("2015-01-01").in_time_zone
-        time_2 = DateTime.parse("2015-01-02").in_time_zone
+        time_1 = Time.zone.local(2015, 01, 01)
+        time_2 = Time.zone.local(2015, 01, 02)
 
         create :ahoy_event, name: 'foo', time: time_1
         create :ahoy_event, name: 'foo', time: time_2
@@ -94,8 +94,8 @@ describe Admin::Api::StatsController do
 
     context 'budget investments present' do
       it 'returns budget investments formated for working with c3.js' do
-        time_1 = DateTime.parse("2017-04-01").in_time_zone
-        time_2 = DateTime.parse("2017-04-02").in_time_zone
+        time_1 = Time.zone.local(2017, 04, 01)
+        time_2 = Time.zone.local(2017, 04, 02)
 
         budget_investment1 = create(:budget_investment, budget: @budget, created_at: time_1)
         budget_investment2 = create(:budget_investment, budget: @budget, created_at: time_2)
diff --git a/spec/factories.rb b/spec/factories.rb
index 2f9cc4acc..4e8ff1d65 100644
--- a/spec/factories.rb
+++ b/spec/factories.rb
@@ -77,7 +77,7 @@ FactoryBot.define do
     user
     document_number
     document_type    "1"
-    date_of_birth    Date.new(1980, 12, 31)
+    date_of_birth    Time.zone.local(1980, 12, 31).to_date
     postal_code      "28013"
     terms_of_service '1'
 
diff --git a/spec/models/ahoy/data_source_spec.rb b/spec/models/ahoy/data_source_spec.rb
index 663a47569..5b5f636e7 100644
--- a/spec/models/ahoy/data_source_spec.rb
+++ b/spec/models/ahoy/data_source_spec.rb
@@ -3,9 +3,9 @@ require 'rails_helper'
 describe Ahoy::DataSource do
   describe '#build' do
     before do
-      time_1 = DateTime.parse("2015-01-01").in_time_zone
-      time_2 = DateTime.parse("2015-01-02").in_time_zone
-      time_3 = DateTime.parse("2015-01-03").in_time_zone
+      time_1 = Time.zone.local(2015, 01, 01)
+      time_2 = Time.zone.local(2015, 01, 02)
+      time_3 = Time.zone.local(2015, 01, 03)
 
       create :ahoy_event, name: 'foo', time: time_1
       create :ahoy_event, name: 'foo', time: time_1