2025 Holiday Schedule Opm 2024. Federal holidays, their significance, and tips for managing work schedules effectively. The internal revenue service on thursday announced that the 2025 standard mileage rate will go up by 3 cents per mile to 70 cents for the optional mileage rate for.

New year’s day is observed on january 1 every year, unless it falls on a weekend. If that day falls on a weekend or holiday, payments will be issued on the last business day of.