Cyprus' central bank said all banks in the country will remain closed until at least Wednesday.
The banks were due to reopen on Tuesday morning.
Cyprus' rescue deal has sent shivers through southern Europe after a key eurozone figure said it would be a model for future bailouts.
The future is uncertain for the people who must live with the consequences of Cyprus' "painful" bailout deal.
The Dutch Finance Minister has said the bank levy 'bail-in' on large depositors "pushes back the risks" from the rest of the eurozone.