The Noughties refers to the decade between 2000-2009. The
Noughties, the
Aughties, the
Aughts, or the
Oughties, all are the terms stands for the years 2000-2009.
80s: The Eighties
90s: The Nineties
00s: The Noughties, The Aughts, The Aughties, The Oughties
I had written that book in the Noughties.