Nope, he can’t. The Speaker of the House decides who speaks at the House dais.Correct. President can write the letter. Or may just deliver SOTU speech on the House floor, as Constitution allows him. Speaker have no power over constitutional rights.
There is no specific time given in the Constitution and Pelosi has control over activities in the House as Speaker.
Trump can claim it's "extraordinary occasion" and plow his way into House, regardless of what Pelosi think.
I tried to educate you. Sadly, you’re ineducable.
Utter bullshit. You tried to sell me balls for kidneys, and I refused.
US Constitution, Article, 2, Section 3. Read it.