Best calorie deficit for fat loss

To those who are 5'2, active and female, what would you considered to be the best deficit for fat loss and building muscle? I do strength training for an hour or more 3x a week, and do cardio 45-1 hour everyday. I decided to diet up until I go to the beach in a bit more than a month. I want to lose some fat and continue to do my usual training but I'm not sure what's the best deficit for me and how to calculate it. Is 1800-2000 to much? I want to lose fat without being restrictive, I normally have 1500-1600 during the week, but still find myself very hungry due to my intense training. The goal is to not be restrictive, lose fat, stay full, and motivated. I want to lose some fat by May 18. Don't care for the number but enough so that I lose some fat that my muscles will show a little bit more.

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