Guild Wars - FAQ

[Ozball]

Unfortunately I don’t think we have enough info to answer that yet, however I would agree with you that it’s likely not the case. From the wording the Devs have used each day is a “War” and you must use your allotted battles for their specific War before you can proceed to the next one. So it is is possible that the colour bonuses are based on the number of battles (eg first 5 battles are War 1’s colour, next 5 are War 2’s etc) and it consumes your battles if you skip a guild to avoid abusing this. This is however all speculation based on the following quotes from Sirrian.

EDIT: In short using the wording from the second quote here, the colour bonus is tied to the War, not the day of the week.

@Sirrian

Each day has a color theme for the attackers to try out. On the first day (blue day), you will get bonus points in any guild war battle for each blue troop in your team. Want to maximize your points? Then you’ll need to figure out an entirely blue team to do so… but even 1 or 2 blue troops will still give you a (smaller) bonus.
Each day gives a player 5 battles. Players can chose whether to spend the battles each day or to wait until later in the Guild War before they start spending their battles. It doesn’t matter to the final score, but if you want to try and win the daily reward, you will need to fight on that day.

@Sirrian

(remember… using the correct color in the correct WAR will give you some bonus score)

@Gouki

Why would anyone ever want to skip a guild?

Maybe if you’re REALLY pressed for time, and want to help your guild win the current day’s war or something?