On the Lord's Day, Found in Revelation One Ten

Some have proposed that this phrase is in reference to the day of the lord found in the old testament prophets. For my study, the primary logistic problem with this is that day and away lord are in a different order and revelation than the other day of the Lord references in the heb or even the septugian. It may be a question of greek word order, which is far moreflexible than hebrew. As far as lord's day, where where i land on it, i think lord's day ounow wel. The sabbath would say, because writers would just use the word sabbath instead of a roundabout way referencing it, like the lord