'Day' in the Bible

just as you also partially did understand us, that we are your reason to be proud as you also are ours, in the day of our Lord Jesus.

But their minds were hardened; for until this very day at the reading of the old covenant the same veil remains unlifted, because it is removed in Christ.

But to this day whenever Moses is read, a veil lies over their heart;

Therefore we do not lose heart, but though our outer man is decaying, yet our inner man is being renewed day by day.

for He says,“At the acceptable time I listened to you,And on the day of salvation I helped you.”Behold, now is “the acceptable time,” behold, now is “the day of salvation”—

Three times I was beaten with rods, once I was stoned, three times I was shipwrecked, a night and a day I have spent in the deep.