# as the sun turned dark

This does not refer to sundown. Rather, the light of the sun turned dark during the middle of the day. Use a term to describe the sun becoming dark rather than the sun going down.

# the curtain of the temple

"the curtain inside the temple." This was the curtain that separated the most holy place from the rest of the temple.

# the curtain of the temple was split in two

"the curtain of the temple was torn into two pieces." This can be stated in active form. Alternate translation: "God tore the temple curtain into two pieces" (See: [[rc://en/ta/man/translate/figs-activepassive]])