The Duration Calculator calculates the number of days, months and years between two dates.

According to international standard ISO 8601, Monday is the first day of the week. It is followed by Tuesday, Wednesday, Thursday, Friday, and Saturday. Sunday is the 7th and last day of the week. Although this is the international standard, several countries, including the United States and Canada, consider Sunday as the start of the week. Go ...

2016年1月26日 · National and international funny and wacky holidays and fun celebrations for every day of the year. When is World Lazy Day or Talk Like a Pirate Day?

Why does a week have 7 days and why are they ordered as they are? You have the Moon and the ancient people of Babylon (modern-day Iraq) to thank.

Finds the day of the week for any date. Find out which day of the week you were born, or if the Moon landing was on a Saturday or a Sunday.

The Date Calculator adds or subtracts days, weeks, months and years from a given date.

Reuse your yearly calendar by finding years that have the same number of days and start on the same day of the week.

Best Days to Take Off in 2025 (USA) Get the most out of holiday time in the United States this year by combining your days off with national holidays.

National Freedom Day in the United States is observed on February 1 each year. Moon Guide for February 2025 February’s Moon phases, including the Snow Moon on the 12th.

Duration Between Two Dates – Calculates number of days; Date Calculator – Add or subtract days, months, years; Birthday Calculator – Find when you are 1 billion seconds old; Repeating Calendars – Which years share the same calendar? Related Links. Countdown to Any Date – Create your own countdown; Moon Phase Calendar – Calculate ...