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I have a Ken-Tech battery operated clock. The day was wrong & I tried to fix it. Now everything, time, date, day & time zone are incorrect.To find instructions for the Sonnet models, go to the bottom of the product category and click on "Instructions". Then move your curser over the page to find Ken-Tech or Sonnet Atomic Radio Controlled Bathroom Digital Alarm Clock T-4660 Instruction Manual. I have one of these Ken-Tech shower clocks.