Fiscal Year 2025 Dates Usa. Generally, the fiscal year in the usa starts from oct 1 st to sep 30 th of the next calendar year or 365 days. [1] january 20th is inauguration day.

Each fiscal year is further broken down into segments called fiscal periods. continue to reading more about how these fiscal periods work at uci. Here are the dates of 2025 federal holidays, according to the office of personnel management: