Cloud Servers Bandwidth is reset monthly.
Example:
1. If your Cloud Server is on Monthly Billing Cycle and it's renewal Date is on 10th of every Month.
(Your server Bandwidth will reset on 10th of every Month)
2. If your Cloud Server is on Yearly Billing Cycle and it's renewal Date is on 15th March of every year.
(Your server Bandwidth will reset on 15th of every Month)