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NHK radio English...give it a go!
https://www.nhk.or.jp/radio/ondemand/detail.html?p=6808_01
A practical language program in which both dialogue and commentary are all in English. The goal is to exchange opinions in English, and it is also recommended for adults who want to improve their speaking skills.
As you have lots of free time and its too hot to go outside, why not challenge yourself to 15 mins English everyday?