The Visa Office of the Department State is in charge of determining cutoff dates and publishing the monthly Visa Bulletin. Sometimes the Visa Office also releases their own predictions. Because they're the only one with all the information, their projection is usually accurate, at least more accurate than anything else you see on the Internet. So if you must reply on some types of visa bulletin predictions, use the official DOS version instead. All predictions are published below, based on the order they were released:
Many people try to predict cutoff dates for the upcoming visa bulletin. It has become a social game on discussion forums. Frankly, unless you are the Department of State who has up-to-date demand vs. supply information, you can only guess. And your guess is as good as mine.
If you are so curious that you must come up with visa bulletin predictions, we have some tools that may help you.