Johnnie Walker Blue Label Year Of The Rat Ring in the Lunar Year “The Year of the Rat” on January 25th, 2020 with this highly anticipated Johnnie Walker Blue Label Limited Release. Johnnie Walker Blue Label Year Of The Rat is the latest release from Johnnie Walker’s Zodiac Collection. This limited edition design was created in celebration of the “Year Of The Rat” paying homage to the traditions of Asian culture and lasting heritage of the Chinese Zodiac.