Why you require "the", and that is to mention that remedy b will not be right, is the fact "weekend" is ambiguous by itself. Case in point: "are you currently free on the weekend so we might get with each other?" implies this coming weekend or even the implied weekend https://stream07406.daneblogger.com/32049362/how-much-you-need-to-expect-you-ll-pay-for-a-good-live