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[Tolkien][The Lord of the Rings]How long did Frodo carry the ring?

I know Hobbits age slower than humans. It always seemed to me that the journey took years, if not decades. How close am i?
gpt
He inherits the Ring on his thirty-third birthday 23rd of September TA 3001, but he then just stashes it away with Bilbo's other belongings.

He then starts actively carrying it once Gandalf returns and warns him that it is in fact the One Ring once he decides to transport it to Rivendell.

23rd of September TA 3018 on his fiftieth birthday he starts the journey. Now actively being a ring bearer.

The One Ring was destroyed on the 25th of March TA 3019. So this gives us a time window of **26 weeks to the day.** 

As for the entire journey, Frodo returns to the Shire where in The Scouring of the Shire they finally defeat Saruman on the 3rd of November 3019 ending their adventure. So the entire journey took 1 year and 9 days.