gal-ET day RWAH
Here's a breakdown:
* gal-ET: The "gal" sounds like the beginning of the word "gallon," and the "et" rhymes with "bet."
* day: Pronounced like the English word "day."
* RWAH: The "R" is pronounced like the "R" in "road," and the "wah" is pronounced like the "wah" in "what."
There are other ways to pronounce it, but this is the most widely accepted pronunciation in English.