What time of the day / day of week?

Hi teachers,

Would you help me with the timeline?

1a. If today is May 26, Tuesday. What would you refer May 22, Fri; May 23, Sat and May 24 Sun?

1b. Today is May 26, Tuesday. Would you say something like "I learned something important this weekend" to refer to May 22 to May 24?

2. What day of the week would you say, "This week we all heard ........ That was not something we wanted to hear"?

3. What day of the week would you say, "This week we've heard....... hear?"

4a. What time of the day would you say, "How was your day?"

4b. "How was your day?' same as "How did today go?"

4c. Is there ever "How have today gone?"

6a. I didn't see him this morning, I haven't seen him in the afternoon. At work at 5:45 pm, (6:00 pm office closed) Would you say "I haven't seen him today" or "He hasn't showed up today"?

6b. Would you also say, "I haven't seen him this afternoon" at 5:45 pm or "He hasn't showed up?

6c. "I haven't seen him this afternoon" same as "I haven't seen him in the afternoon"?

6d. When you leave work for the day, your boss calls you at 6:10 pm about this person. Would you say, "I didn't see him today"? or "I haven't seen him today"?

6e. When you get home from work at 8:00 pm, would you say "I didn't see him today?"

6f. If your boss calls you at 12:10 am asking about him, would you say "I haven't heard anything from him today"? What is the time adverb here?

Thank you

TN