Irenaeus
c. A.D. 130–202
“This present time, therefore, in which men are called and saved by the Lord, is properly understood to be denoted by "the acceptable year of the Lord;" and there follows on this "the day of retribution," that is, the judgment. And the time thus referred to is not called "a year" only, but is also named "a day" both by the prophet and by Paul, of whom the apostle, calling to mind the Scripture, says in the Epistle addressed to the Romans, "As it is written, for thy sake we are killed all the day long, we are counted as sheep for the slaughter." But here the expression "all the day long" is put for all this time during which we suffer persecution, and are killed as sheep. As then this day does not signify one which consists of twelve hours, but the whole time during which believers in Christ suffer and are put to death for His sake, so also the year there mentioned does not denote one which consists of twelve months, but the whole time of faith during which men hear and believe the preaching of the Gospel, and those become acceptable to God who unite themselves to Him.”