If you haven't, you can use car insurance renewal premium calculator online and get the premium details at time of renewal of your insurance policy. (policybazaar.com)
The date and time of the renewal of the policy are clearly mentioned in the policy documents, failing which your motor insurance policy will have a break. (comparepolicy.com)
Although coverage increases over the course of a policy period, the resulting higher premium is not usually billed until time of renewal. (valuepenguin.com)