Computers and Electronics How do you wish someone a happy Rosh Hashanah? How do you wish someone a happy Rosh Hashanah? To wish someone a happy Rosh Hashanah, you say “Shanah tovah”. This means “good year” in Hebrew. Or “L'shanah Tovah!” meaning “for a good year”.3 sept 2021 Related Posts:How is Rosh Hashanah Celebrated in Israel?What does it mean to be born on Rosh Chodesh?Does Israel celebrate Rosh Hashanah for 2 days?What are 4 foods that are traditionally eaten on Rosh Hashanah?