How long can I go without statins?

I take statins to manage my cholesterol as part of my post heart attack treatment.

I visited my parents and over the weekend my father also had an unexpected heart attack, so I’m staying here to look after my Mum until he gets out of hospital. As it was unexpected only brought enough statins for the weekend, but I have a plentiful supply of my other medication here.

How long can I safely go before my cholesterol starts to rise again?