The difference between these two options is negligible, irrelevant, or unimportant; either option is fine or will work as well as the other. Well, we could take the freeway to your mother's house, or we could cut through the city. It takes about the same amount of time, so it's six of one, and half a dozen of the other. John: "Would you rather have pepperoni or sausage on your pizza?" Bob: "Eh, six of one, half a dozen of the other."
Fig. about the same one way or another. It doesn't matter to me which way you do it. It's six of one and half a dozen of the other. What difference does it make? They're both the same—six of one and half a dozen of the other.
If you are talking about an argument or fight between two people and you say it is six of one and half a dozen of the other, you mean that both people are equally responsible for what has happened. To me it was six of one and half a dozen of the other. Both men were at fault.
used to convey that there is no real difference between two alternatives.
(saying) used to say that there is no real difference between two possible choices: Patrick said John started the fight, but I think it was probably six of one and half a dozen of the other. ♢ I've tried both ways of getting to Oxford and as far as I can see it's six of one and half a dozen of the other (= they both take the same time).
Six of October Development and Investment Co.