Need to lose this baby weight!

So it's been a long time since I started this but I am finally going to try to keep it up. I am having a very hard time losing the weight I gained carrying my four little ones. I gained over 90lbs. with my pregnancy and at one time I only needed to lose 20 more. However now I have gained another almost 30. How did that happen??? Little sleep, little exercise, no mommy time, and terrible eating habits. Thank goodness I am on the move again. I am working out one hour every day and have cut my calories to almost nothing. The only question is, how long will it take<