Calendar With National Holidays 2025. These dates may be modified as official changes are announced, so please check back regularly for updates. Here is a list of 2025 holidays, special events, big games, cultural milestones and other key dates to mark on your.

Though 2025 has just begun, calendars are already being marked with holiday observances. Chose a month to view an observance and holiday calendar for that month in 2025.