Whenever I voluntarily leave a company, I always give my 2-week notice 13 days before the end of the month, and ask to set my last day for the 1st of the follow

Whenever I voluntarily leave a company, I always give my 2-week notice 13 days before the end of the month, and ask to set my last day for the 1st of the following month. My former managers have never cared what date I pick, and always agree.