DateTime.new => Time.zone.local

lib/tasks/2018_03_08_send_missed_accuse_reception.rake

@@ -8,8 +8,8 @@ namespace :'2018_03_08_send_missing_accuse_reception' do
     # `bug_date` and `fix_date` were determined empirically by looking at the release times,
     # and checking for dossiers with a missing accusé de réception.
 
-    bug_date = DateTime.new(2018, 3, 1, 9, 50)
-    fix_date = DateTime.new(2018, 3, 5, 18, 40)
+    bug_date = Time.zone.local(2018, 3, 1, 9, 50)
+    fix_date = Time.zone.local(2018, 3, 5, 18, 40)
 
     # Only send the accusé for dossiers that are still en construction.
     # For dossiers that have moved on, other mails have been sent since, and a late

lib/tasks/2018_05_30_missed_ar_messages.rake

@@ -7,7 +7,7 @@ namespace :'2018_05_30_missed_ar_messages' do
   end
 
   def create_commentaires(date_name, template_name, dossiers = Dossier)
-    error_range = DateTime.new(2018, 05, 28, 13, 33)..DateTime.new(2018, 05, 30, 15, 39)
+    error_range = Time.zone.local(2018, 05, 28, 13, 33)..Time.zone.local(2018, 05, 30, 15, 39)
 
     dossiers.includes(:procedure).where(date_name => error_range).find_each(batch_size: 100) do |dossier|
       print "#{dossier.id}\n"

lib/tasks/2018_09_12_fix_templates.rake

@@ -7,7 +7,7 @@ namespace :'2018_09_12_fix_templates' do
   end
 
   # 16:15 in Paris -> 14:15 UTC
-  DEPLOY_DATETIME = DateTime.new(2018, 9, 5, 14, 15, 0)
+  DEPLOY_DATETIME = Time.zone.local(2018, 9, 5, 14, 15, 0)
 
   def find_dossiers_with_sent_and_invalid_attestations
     invalid_procedures_ids = AttestationTemplate