Usually, it is easier for me to exercise on holidays than ordinary days unless I am on call. Both Christmas and Thanksgiving, as a matter of a fact, I was able to do extra time to make up for another time I had to miss my work out. Both days I did two 45-50 minute sessions. Usually, I do 45-50 minutes a day, but will miss if I am travelling out of town or are totally occupied for the evening, like when we had our office party or when my son had his Christmas program at school.