Instead, the most common way to sign this phrase is to sign the individual parts:
1. "Have" - The sign for "have" is made by extending your dominant hand, palm facing out, and moving it slightly forward and back.
2. "A" - The sign for "a" is made by touching your thumb to your index finger, leaving the other fingers open, and then moving your hand slightly forward.
3. "Nice" - The sign for "nice" is made by making a "C" shape with your dominant hand and moving it in a small circular motion.
4. "Day" - The sign for "day" is made by extending your dominant hand with your fingers spread and moving it horizontally from your forehead to your chin.
You would sign these individual signs in sequence, making sure to use appropriate facial expressions and body language to convey the meaning of the phrase.
Here's how the sentence would look visually:
* HAVE (sign for "have")
* A (sign for "a")
* NICE (sign for "nice")
* DAY (sign for "day")
It's important to note that there are variations in sign language depending on the region and the individual signer.