Game Of Thrones: How Much Time Passes From Seasons 1-8

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Working out the Game of Thrones timeline and exactly how much time throughout the eight seasons is a difficult thing to work out with more than a few contradictions. The Game of Thrones franchise continues to grow with countless spinoffs in the works which will explore various time periods in Westeros. In the context of the greater Game of Thrones timeline, the less than ten years in which the original show happened is a mere blip in the thousands of years that comprise the known history of Westeros according to George R.R. Martin's A Song of Ice and Fire novels.
Colin McCormick, Rose Graceling-Moore

https://screenrant.com/game-thrones-how-much-time-passed/