Any time you see another Jewish person on the sabbath, and you want to greet them.
"Shabbat Shalom!"
You don't. You only say Shabbat shalom in Hebrew. If you are asking how French Jews greet each other on Shabbat, they say "Shabbat Shalom"
'Shabbat shalom', which means 'A peaceful Sabbath', is said during Shabbat - sundown Friday to Saturday after twilight.
Shabbat Shalom is a greeting that Jews say to each other on Shabbat (the sabbath). It means "A peaceful Shabbat"
"Happy Sabbath" (though this is not a standard greeting for the sabbath. It would be more appropriate to say Shabbat Shalom, "a peaceful sabbath").
Judaism.
"Shabbat Shalom!"
Shabbat Shalom Lekulam means 'A Good Sabbath to Everyone'
Shabbat Shalom means "peaceful Sabbath" and is the standard greeting between Jews on Saturday.
When someone says "Shabbat shalom," an appropriate response would be to reciprocate the greeting by saying "Shabbat shalom" back. This traditional Hebrew greeting is commonly used on the Jewish Sabbath, which begins at sunset on Friday and ends at nightfall on Saturday. It is a way to wish someone a peaceful and restful Sabbath.
You have it backwards. It is Shabbat Shalom (שבת שלום), and it is a greeting used on Fridays and Saturdays, which translates to "a peaceful Sabbath".
To say "enjoy your Sabbath," you can simply say "Shabbat Shalom" in Hebrew, which means "peaceful Sabbath." Alternatively, in English, you can say, "Have a restful and joyous Sabbath." Both expressions convey well wishes for a meaningful day of rest and reflection.