There has been a lot of speculation about when it will be launched, but a recently discovered image has a date of February 9th on the home screen, reports 9to5mac. If you look at the iPhone 4 promo images, they show a 7 as the date.
To add even more evidence to the speculation, the iPhone 3G was announced on June 9 and this also ties to their promo images.
The iPhone 4 was announced on June 7.
The iPad had a 27 on the calendar app and was presented on Wednesday, January 27th.
And, the new iPad has a 9, so its assumed that Apple’s presentation will be on Wednesday, February 9th.