```ruby
WorkingHours::Config.holidays = %w(
  2021-12-27
  2021-12-28
  2022-01-03
).map(&:to_date)
```

Configure the new bank holiday exclusion
user
```ruby
WorkingHours::Config.holidays = %w(
  2021-12-27
  2021-12-28
  2022-01-03
  2022-09-19
).map(&:to_date)
```
assistant