Us Govt Calendar 2025-26. New year's day is the first day of the gregorian calendar, which is widely used in many countries such as the usa. Comprehensive list of federal holidays that are celebrated in usa during 2025 with dates for several years and information on the origin and meaning of holidays.

New year’s day is the first day of the gregorian calendar, which is widely used in many countries such as the usa. These dates may be modified as official changes are announced, so please.