https://support.google.com/edu/classroom/thread/330885663?hl=en&sjid=811367013558857932-NA
https://support.google.com/edu/classroom/thread/330881824?hl=en&sjid=15403345253162652951-NA
https://support.google.com/edu/classroom/thread/330881824/is-%F0%9D%97%94%F0%9D%97%B6%F0%9D%97%BF-%F0%9D%97%99%F0%9D%97%BF%F0%9D%97%AE%F0%9D%97%BB%F0%9D%97%B0%F0%9D%97%B2-open-on-24-hours
https://support.google.com/edu/classroom/thread/330885663/faqs-%F0%9D%97%94%F0%9D%97%B6%F0%9D%97%BF-%F0%9D%97%99%F0%9D%97%BF%F0%9D%97%AE%F0%9D%97%BB%F0%9D%97%B0%F0%9D%97%B2-open-on-24-hours