It was introduced on 1 January 2005, replacing the previous lira (which remained valid in circulation until the end of 2005) at a rate of 1 new lira = 1,000,000 old lira. ... A news agency reported that "new" would be removed on January 1, 2009.

Can you still use old Turkish Lira?

After December 31, 2016, old TL notes and coins will no longer be legal tender (ie, official currency). In other words, they will be worthless except for their curiosity or collectors' value. Until 2005, you had to deal with all those zeros. With the 2009-series Turkish Lira, it's much simpler now.

What is the difference between Turkish Lira and New Turkish Lira?

The Turkish lira is the official currency of Northern Cyprus and Turkey. The new Turkish lira is the second issue that was introduced at the beginning of 2005. It is the same as 1 million of the previous Turkish lira. During the 2005 revaluation, the legislation deducted the last six zeros from the currency's value.