How are you planning the operation and the rota?
Understanding shift patterns according to specific business trends is vital to ensure that you have the people when you need them.
Starting earlier/later, and different opening or operating times during the days/weeks/months will make sure you maximise efficiencies.
NB – this needs to be carefully thought out as the general public will seek out the opening times and last minute changes will not be popular.
Ensure that the plans are communicated well in advance. Extending opening hours could yield more admissions, but it needs to be worthwhile for your business operation, and wage costs do need to be justified by guest spend.