The sixth hour (hōras hektēs). That is, noon (Jewish time), as the third hour was nine a.m. (Mar 15:25). See Mat 27:45 for discussion. Given also by Luk 23:44. Mark gives the Aramaic transliteration as does B in Mat 27:45, which see for discussion.
Forsaken (egkatelipes). Some MSS. give ōneidisas (reproached). We are not able to enter into the fulness of the desolation felt by Jesus at this moment as the Father regarded him as sin (2Co 5:21). This desolation was the deepest suffering. He did not cease to be the Son of God. That would be impossible.