Use DateTime

app/controllers/advertisement_controller.rb

@@ -197,7 +197,7 @@ class AdvertisementController < ApplicationController
     if category.nil?
       category = Category.where(use_for_advertisement: true)
     end
-    Post.undeleted.where(last_activity: (Rails.env.development? ? 365 : 7).days.ago..Time.zone.now)
+    Post.undeleted.where(last_activity: (Rails.env.development? ? 365 : 7).days.ago..DateTime.now)
         .where(post_type_id: Question.post_type_id)
         .where(category: category)
         .where('score > ?', SiteSetting['HotPostsScoreThreshold'])

app/controllers/application_controller.rb

@@ -115,7 +115,7 @@ class ApplicationController < ActionController::Base
   end
 
   def check_edits_limit!(post)
-    recent_edits = SuggestedEdit.where(created_at: 24.hours.ago..Time.zone.now, user: current_user) \
+    recent_edits = SuggestedEdit.where(created_at: 24.hours.ago..DateTime.now, user: current_user) \
                                 .where('active = TRUE OR accepted = FALSE').count
 
     max_edits = SiteSetting[if current_user.privilege?('unrestricted')
@@ -232,7 +232,7 @@ class ApplicationController < ActionController::Base
     end
     @hot_questions = Rails.cache.fetch("#{RequestContext.community_id}/hot_questions", expires_in: 4.hours) do
       Rack::MiniProfiler.step 'hot_questions: cache miss' do
-        Post.undeleted.where(last_activity: (Rails.env.development? ? 365 : 7).days.ago..Time.zone.now)
+        Post.undeleted.where(last_activity: (Rails.env.development? ? 365 : 7).days.ago..DateTime.now)
             .where(post_type_id: [Question.post_type_id, Article.post_type_id])
             .joins(:category).where(categories: { use_for_hot_posts: true })
             .where('score >= ?', SiteSetting['HotPostsScoreThreshold'])

app/controllers/comments_controller.rb

@@ -15,7 +15,7 @@ class CommentsController < ApplicationController
 
     @comment = Comment.new comment_params.merge(user: current_user)
 
-    recent_comments = Comment.where(created_at: 24.hours.ago..Time.zone.now, user: current_user).where \
+    recent_comments = Comment.where(created_at: 24.hours.ago..DateTime.now, user: current_user).where \
                              .not(post: Post.includes(:parent).where(parents_posts: { user_id: current_user.id })) \
                              .where.not(post: Post.where(user_id: current_user.id)).count
     max_comments_per_day = SiteSetting[current_user.privilege?('unrestricted') ? 'RL_Comments' : 'RL_NewUserComments']

app/controllers/flags_controller.rb

@@ -9,7 +9,7 @@ class FlagsController < ApplicationController
              PostFlagType.find params[:flag_type]
            end
 
-    recent_flags = Flag.where(created_at: 24.hours.ago..Time.zone.now, user: current_user).count
+    recent_flags = Flag.where(created_at: 24.hours.ago..DateTime.now, user: current_user).count
     max_flags_per_day = SiteSetting[current_user.privilege?('unrestricted') ? 'RL_Flags' : 'RL_NewUserFlags']
 
     if recent_flags >= max_flags_per_day

app/controllers/posts_controller.rb

@@ -68,7 +68,7 @@ class PostsController < ApplicationController
 
     level_name = @post_type.is_top_level? ? 'TopLevel' : 'SecondLevel'
     level_type_ids = @post_type.is_top_level? ? top_level_post_types : second_level_post_types
-    recent_level_posts = Post.where(created_at: 24.hours.ago..Time.zone.now, user: current_user)
+    recent_level_posts = Post.where(created_at: 24.hours.ago..DateTime.now, user: current_user)
                              .where(post_type_id: level_type_ids).count
     setting_name = current_user.privilege?('unrestricted') ? "RL_#{level_name}Posts" : "RL_NewUser#{level_name}Posts"
     max_posts = SiteSetting[setting_name]
@@ -230,7 +230,7 @@ class PostsController < ApplicationController
       return
     end
 
-    if @post.update(closed: false, closed_by: current_user, closed_at: Time.zone.now,
+    if @post.update(closed: false, closed_by: current_user, closed_at: DateTime.now,
                     last_activity: DateTime.now, last_activity_by: current_user,
                     close_reason: nil, duplicate_post: nil)
       PostHistory.question_reopened(@post, current_user)

app/controllers/suspicious_votes_controller.rb

@@ -15,7 +15,7 @@ class SuspiciousVotesController < ApplicationController
   def investigated
     @sv = SuspiciousVote.find params[:id]
     @sv.was_investigated = true
-    @sv.investigated_at = Time.zone.now
+    @sv.investigated_at = DateTime.now
     @sv.investigated_by = current_user.id
     if @sv.save
       render json: { status: 'success' }

app/controllers/votes_controller.rb

@@ -10,7 +10,7 @@ class VotesController < ApplicationController
       render(json: { status: 'failed', message: 'You may not vote on your own posts.' }, status: :forbidden) && return
     end
 
-    recent_votes = Vote.where(created_at: 24.hours.ago..Time.zone.now, user: current_user) \
+    recent_votes = Vote.where(created_at: 24.hours.ago..DateTime.now, user: current_user) \
                        .where.not(post: Post.includes(:parent).where(parents_posts: { user_id: current_user.id })).count
     max_votes_per_day = SiteSetting[current_user.privilege?('unrestricted') ? 'RL_Votes' : 'RL_NewUserVotes']