old_contents: # Internationalization
  # https://docs.djangoproject.com/en/1.9/topics/i18n/
  
  LANGUAGE_CODE = 'en-us'
  
  TIME_ZONE = 'UTC'
  
  USE_I18N = True
  
  USE_L10N = True
  
  USE_TZ = True
  
new_contents: # Internationalization
  # https://docs.djangoproject.com/en/1.9/topics/i18n/
  
  LANGUAGE_CODE = 'en-us'
  
  TIME_ZONE = 'Asia/Seoul'
  
  USE_I18N = True
  
  USE_L10N = True
  
  USE_TZ = True
  
subject: update settings/internationalization.py: change TIME_ZONE accroding to Korea