Hi itsjustme,
Thanks for letting us know that you encountered this problem. There were a couple brief periods of time yesterday when we noticed an unusual number of listings fail to post due to "Not Posted in Time" errors and have already made a couple adjustments which appear to have resolved the problem.
If you have not done so already, I believe that you will be able to post these listings successfully at this time by trying once more.
If you try posting any of your listings again today and they fail to post again due to similar errors, please contact our customer support team by mousing over the "Help" tab within your account and choosing the "File Support Case" option and we will look into the problem further.
We apologize for any inconveniences this issue may have caused.
-Mike