このwindowの用法は要チェックだな。

Incredible. GOP senators who had contact with confirmed and infectious Covid-positive colleagues are refusing to get tested because they are more worried about missing the 13 day window to confirm Barrett than they are about the health and safety of the people around them. https://t.co/8tT6Gmhjwk

— Susan Hennessey (@Susan_Hennessey) October 7, 2020

window 

noun (OPPORTUNITY) [ C ] a period when there is an opportunity to do something: I'm busy this week but there might be a window on Friday. 

 An interval or opportunity for action. ‘the parliamentary recess offers a good window for a bid’ More example sentencesSynonyms 4.1An interval during which atmospheric and astronomical circumstances are suitable for the launch of a spacecraft. ‘Unlike for Mars, lunar launch windows are effectively continuous.’ 

〔あることをするための〕時間帯、好機 〔観察や接触などのための〕手段、方法、窓