Two past tenses: open time and finished time
You now know two ways to talk about the past:
1. The preterite (pretérito indefinido): comí, hablé, fui
2. The present perfect (pretérito perfecto): he comido, he hablado, he ido
Last week you used the present perfect for experiences, with no time given. This week the question is when. In Spain the rule is simple: if the time you are talking about is not over yet (today, this week, this year), use the present perfect. If it is over (yesterday, last week, in 2020), use the preterite.
Examples
English doesn't always match. "I got to work late this morning" uses the English past, but in Spain you say "Esta mañana he llegado tarde", because this morning is part of today. Choose the Spanish tense from the time, not from the English.