* Yom (יוֹם): Yoam (the "o" is like the "o" in "go," but slightly shorter. The "m" is a soft "m".)
* Huledet (הוּלֶדֶת): Hoo-leh-det (The "oo" is like the "oo" in "moon," the "leh" is like "lay" but shorter, and the "det" rhymes with "bet").
* Sameach (שָׂמֵחַ): Sa-may-akh (The "a" in "Sa" is like the "a" in "father," the "e" in "may" is short, and the "akh" rhymes with "bach").
Putting it together: Yoam Hoo-leh-det Sa-may-akh
It's important to note that written Hebrew pronunciation isn't always perfectly captured in Roman letters. Listening to a native speaker is the best way to truly master the pronunciation. You can easily find audio pronunciations online by searching "Yom Huledet Sameach pronunciation."