The benefits of a 2015 monthly planner are immense. Monthly Planners are a must have considering all of the things on most of our schedules. Monthly planners can not only help you keep track of important dates such as birthdays and anniversaries but also monthly bill payments. Using your monthly planner can help you keep track of bill payments, avoiding expensive late charges. A 2015 monthly planner can help keep you focused and organized. A monthly planner is great for the office. Glancing at the schedule for the day can make you appear more professional and organized.