January 31 2024 Plus 30 Days. Learn how to do days calculations with calendar, weekdays, working days and time units. The date calculator is designed to calculate days or duration between two dates and add or subtract to or from any date.

Please, enter a start date and the number of days, weeks, months and years you want do add or subtract from it, and press calculate to see the resulting date. Your starting date is january 31, 2024 so that means that 30 days later would be march 1, 2024.