For capped LTE (Long-Term Evolution) data plans, the Night Time Data period typically refers to a specific time window during which data usage is not counted towards the user's data cap or usage quota. This period is often offered by mobile network providers as an incentive for users to download or stream content during off-peak hours when network congestion is lower.

In the context you provided, the Night Time Data period is defined as being between 12:00 AM (midnight) and 05:59 AM (early morning) every day of the year. During this time window, users can typically enjoy unlimited or unmetered data usage without it counting towards their data cap or usage limits.

This arrangement allows users to take advantage of the off-peak hours to perform data-intensive activities such as downloading large files, streaming high-definition videos, or performing software updates without worrying about exceeding their data allowance or facing reduced data speeds due to reaching their cap.

It's important for users to be aware of the specific Night Time Data period associated with their capped LTE data plan and to plan their data usage accordingly to maximize the benefits of unmetered data during off-peak hours.