Hi, there. Hi there.

Are you spendhaving a good timeday? Are you having a good day?

"Good time" would be used more if you were at a party and were asking someone if they were having fun.

Are you spendhaving a good timeday? Are you having a good day?

In hHere isn Japan, we most of the whole area was aly had nice weather today,. It's 7:50 p.m jus. right now. Here in Japan, we mostly had nice weather today. It's 7:50 p.m. right now.

Or "The weather was nice in most of Japan today."

In hHere isn Japan, most of the whole area was aarea had nice weather today, It's 7:50 p.m just now. Here in Japan, most of the area had nice weather today, It's 7:50 p.m just now.

AI have actually I havehad pollen allergies since I was teeneager, so I always get it this season of everyexperience symptoms around this time of year. I have actually had pollen allergies since I was teenager, so I always experience symptoms around this time of year.

Actually I have had pollen allergies since I was teeneager, so I always get it this seasontime of every year. Actually I have had pollen allergies since I was teenager, so I always get it this time of every year.

However, I felt like that I havekind of forgotten about my allergies because of the influence ofsituation surrounding the coronavirus in this year. However, I kind of forgot about my allergies because of the situation surrounding the coronavirus this year.

However I felt like that I have forgotten my allergies because of the influence of coronavirus in this year. However I felt like I have forgotten my allergies because of the influence of coronavirus this year.

Strong wind had been blowing fromThere was a strong wind blowing in my town this afternoon in my town. There was a strong wind blowing in my town this afternoon.

Strong winds hadve been blowing fromsince this afternoon in my town. Strong winds have been blowing since this afternoon in my town.

After I got home, since then mMy eyes hadve been itchy and runny nosI have had a runny nose ever since I got home. My eyes have been itchy and I have had a runny nose ever since I got home.

AfterSince I got home, since then my eyes hadve been itchy and runnmy nose has been running. Since I got home, my eyes have been itchy and my nose has been running.

I wonder why I got the allergystarted showing allergy symptoms even though I wore two masks. I wonder why I started showing allergy symptoms even though I wore two masks.

I wonder why I got the allergyhad an allergic reaction even though I wore two masks. I wonder why I had an allergic reaction even though I wore two masks.

I'll see you again. I'll see you again.

Your sentence is grammatically correct, but since it's a written text and I have never seen you, I think something like "goodbye" or "until next time" would make more sense. :-)