[quote name='FattyPooh09']Why ami just figuring that out ... about winning in the 15 minute time period (ex. 3:01, 3:02 ...) Kinda mad! Well now i know ... lls[/QUOTE]
Because there is no FACTS to support it... Just idle speculation by people that are trying to win.
I can assure you that I did not win on the minute... My screen cap of the winning screen was 40 seconds past the minute, and I didn't take me 40 seconds to hit that key on my keyboard.
Not to mention, you have no idea what time the server is set to, and it is highly unlikely that your computer is going to be synced to the exact same time source.
Read through the thread. Several other people have posted that this on-the-minute theory is just hogwash.
But, that shouldn't stop you from waiting and trying on the minute. The more people that do that, the better my odds. I am going to be trying a couple seconds before the minute, just to snipe it from all the lemmings sitting there watching their clock tick down....

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[quote name='AlphaPanda']I'm trying to win an Xbox for a buddy of mine who doesn't have one. Guess this'd help as well, glad to find that out that i'd also win a Slim.
Seems like shooting all 6 codes from times like 4:00 - 4:06 would be a waste.[/QUOTE]
Statistically speaking... No. You are not wasting your entries. People are winning at the start of the period, at the end of the period, and everywhere in between. It is random. So, unless you have some insight as to the list of pre-determined winning times for each period, there is no way to know when it is best to play.
I think I am going to start a rumor right now: prizes are awarded on the first second of every period (not based on any fact, just like the rest of the carp that is being posted).
Great... Now that everyone is going to be shooting their wad in the first minute, I can wait till the last second and be the first person to play on or after the per-determined time... Could be 2 min past, or 14 min past... But with no one else playing... All of the prizes will be mine.
Get it?
With the popularity of this contest, and the sheer number of people playing, there is no way to increase your odds by trying to determine a best time to play.
However, other ePrize/PrizeRewards promotions (same pre-determined win time system) can often be won by simply playing in the wee hours of the morning, especially if the target demographics is likely to be sleeping then.