How many years has it been that Jesus lived in earth?

According to Christian belief, Jesus lived on Earth for approximately 33 years.

But how long ago did this happen?

According to the chronology commonly used in Western society, Jesus lived approximately 2,000 years ago.

in what year exactly?

The exact year of Jesus' birth is a matter of debate among scholars, but it is commonly believed to be between 6 and 4 BCE (Before Common Era). Therefore, if we consider Jesus' life span of approximately 33 years, his time on Earth would have ended around 30 or 33 CE (Common Era).