While statutory sick pay is only available in full days, you can create a custom leave type for partial days. 

For SSP and maternity leave setups and calculations, adjustments in settings may be required to ensure proper compliance with HMRC guidelines. 

Regarding SSP limitations, it’s capped at 28 weeks in any 52 consecutive weeks. Employees are entitled to SSP regardless of their tenure with the company, as per HMRC guidelines.