diff --git a/script/db_timestamps_mover.rb b/script/db_timestamps_mover.rb
new file mode 100644
index 00000000000..b1afef25c43
--- /dev/null
+++ b/script/db_timestamps_mover.rb
@@ -0,0 +1,87 @@
+# frozen_string_literal: true
+require "pg"
+
+usage = <<-END
+Commands:
+  ruby db_timestamp_updater.rb yesterday <date> move all timestamps by x days so that <date> will be moved to yesterday
+  ruby db_timestamp_updater.rb 100              move all timestamps forward by 100 days
+  ruby db_timestamp_updater.rb -100             move all timestamps backward by 100 days
+END
+
+class TimestampsUpdater
+  TABLE_SCHEMA = 'public'
+
+  def initialize
+    @raw_connection = PG.connect(
+      host: ENV['DISCOURSE_DB_HOST'] || 'localhost',
+      port: ENV['DISCOURSE_DB_PORT'] || 5432,
+      dbname: ENV['DISCOURSE_DB_NAME'] || 'discourse_development',
+      user: ENV['DISCOURSE_DB_USERNAME'] || 'postgres',
+      password: ENV['DISCOURSE_DB_PASSWORD'] || '')
+  end
+
+  def move_by(days)
+    postgresql_date_types = [
+      "timestamp without time zone",
+      "timestamp with time zone",
+      "date"
+    ]
+
+    postgresql_date_types.each do |data_type|
+      columns = all_columns_of_type(data_type)
+      columns.each do |c|
+        table = c["table_name"]
+        column = c["column_name"]
+        move_timestamps table, column, days
+      end
+    end
+  end
+
+  def move_to_yesterday(date)
+    days = (Date.today.prev_day - date).to_i
+    move_by days
+  end
+
+  private
+
+  def all_columns_of_type(data_type)
+    sql = <<~SQL
+      SELECT c.column_name, c.table_name
+      FROM information_schema.columns AS c
+      JOIN information_schema.tables AS t
+        ON c.table_name = t.table_name
+      WHERE c.table_schema = '#{TABLE_SCHEMA}'
+        AND c.data_type = '#{data_type}'
+        AND t.table_type = 'BASE TABLE'
+    SQL
+    @raw_connection.exec(sql)
+  end
+
+  def move_timestamps(table_name, column_name, days)
+    operator = days < 0 ? "-" : "+"
+    sql = <<~SQL
+      UPDATE #{table_name}
+      SET #{column_name} = #{column_name} #{operator} INTERVAL '#{days.abs} day'
+    SQL
+    @raw_connection.exec(sql)
+  end
+end
+
+def is_i?(string)
+  true if Integer(string) rescue false
+end
+
+def is_date?(string)
+  true if Date.parse(string) rescue false
+end
+
+if ARGV.length == 2 && ARGV[0] == "yesterday" && is_date?(ARGV[1])
+  date = Date.parse(ARGV[1])
+  TimestampsUpdater.new.move_to_yesterday date
+elsif ARGV.length == 1 && is_i?(ARGV[0])
+  days = ARGV[0].to_i
+  TimestampsUpdater.new.move_by days
+else
+  puts usage
+  exit 1
+end