The phrase 'Happy New Year' is commonly used to express well wishes for the start of a new year. This phrase is often heard in the weeks leading up to New Year's Day and continues to be used well into the month of January.

Some other common expressions that are often used to express New Year's greetings include 'Wishing you a happy and prosperous New Year,' 'May this year bring you health, happiness, and success,' and 'Here's to a fantastic New Year filled with joy and laughter.'

In addition to spoken greetings, many people choose to send New Year's cards or messages to friends and family. These messages often include personalized messages of well wishes and may also feature images or symbols associated with the start of a new year, such as fireworks, champagne glasses, or the number '2022.'

No matter how you choose to express your New Year's well wishes, the important thing is to take a moment to reflect on the past year and look forward to the new opportunities and experiences that lie ahead. So, here's to a happy and prosperous New Year for all!