9!

By the end of the 9th day of the 9th month i.e. today, the number of minutes that will have passed this year will be exactly 9!

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= 252 days of the year
= 9×28 days
= 9×28×24 hours
= 9×28×24×60 minutes
= 9×(7×4)×(8×3)×(6×5×2) minutes
= 9×8×7×6×5×4×3×2 minutes
= 9! minutes