Twilight 2025 Calendar Week. Calendar and almanac with holidays, red days, flag days, namedays, days off, and dates for easter, pentecost, and midsummer. 2025 starts on monday, january 1st 2025 and ends on tuesday, december 31st 2025.

 — the weeks calculator is used to get the number of weeks between two dates, add and subtract weeks from a starting date. All calendar weeks in the year 2025.