Difference between last year and this year in Korean
작년·올해

작년last year
"Last year" means the year before this year. In Korean, 작년 is used when you talk about something that happened in that time. You can use it for daily life, school, shopping, travel, and many other situations.

올해this year
올해 means "this year." We use it to talk about something happening now, sometime during the current year, or plans for the year. You can use it in everyday life when talking about home, school, work, travel, or goals.
The difference
last year (작년) and this year (올해) are nearby Korean vocabulary items learners often meet together. Use “last year” when "Last year" means the year before this year. In Korean, 작년 is used when you talk about something that happened in that time. You can use… Use “this year” when 올해 means "this year." We use it to talk about something happening now, sometime during the current year, or plans for the year. You can u…