'First Day' in the Bible

And on the first day of the unleavened food came the disciples near to Jesus, saying to him, 'Where wilt thou that we may prepare for thee to eat the passover?'

And the first day of the unleavened food, when they were killing the passover, his disciples say to him, 'Where wilt thou, that, having gone, we may prepare, that thou mayest eat the passover?'

and when they were come unto him, he said to them, 'Ye -- ye know from the first day in which I came to Asia, how, with you at all times I was;

on every first day of the week, let each one of you lay by him, treasuring up whatever he may have prospered, that when I may come then collections may not be made;

for your contribution to the good news from the first day till now,