Today's...

Today's really busy.
I always get up early, then and going to work at 07:00 A.M every morning (my job is cleaner & kitchen hand} (I am a cleaner & a kitchen hand). 
After finished work work is finished, I has had lunchtime at my house at 03:30 P.M. O'clock
I booked a hospital appointment (약속) at 04:00 p.m, so I run run run ran, ran, ran,...so hard haha. :(

Then I have had to studying English in the library.

잘했어요! I can tell you are studying hard. 공부 열심히 하세요! :)

Today's..

Today's been a really busy day.

I always get up early then I go to work at 07:00 A.M every morning (my job is kitchen hand cleaner).

Afterwork I had lunch at my home at 03:30 P.M O'clock

As I had an appointment in the hospital at 4:00 p.m. I had to hurry up on my daily tasks.

After that, I got to the library to study English.

Today's..

Today's really busy.
i I always get up early then going go to work at 07:00 A.M every morning (my job is cleaner cleaning & a helping hand in the kitchen hand} 

After I finished finish work i I has have lunchtime lunch at my home house. At 03:30 P.M, O'clock
I booked a hospital appointment at 04:00 p.m then i I run run run...so hard haha :( 

then Then, i I have to studying English in the library.

[Good luck!! ^.^] 

Today's..

Today's really busy.
I always get up early then GO to work at 07:00 a.m. EACH morning. (My job is AS A cleaner & kitchen hand. (OR: I AM A CLEANER AND KITCHEN HAND AT WORK.) 
After I finished* work(,) IT WAS* lunchtime at my home 03:30 P.M (delete:O'clock). 
I booked A hospital APPOINTMENT/VISIT at 04:00 p.m then I HAD TO run run run,......so hard haha :(

then I (have*) HAD to STUDY English in the library(.)

*Both verbs have to be same tense, either present or past.

O'Clock is only used for whole numbers 1, 2, 3...12. "3 O'Clock"