Insights, fun facts, how-to guides, and history behind holidays and calendars around the world.
Maximise your annual leave in 2025 by strategically booking days around bank holidays. Here's how to turn 28 days of leave into 50+ days off.
Easter 2025 falls on Sunday 20 April. Here's everything you need to know about Easter dates, Good Friday, Easter Monday, and how Easter is calculated.
Discover the Cotsworth 13-month calendar, an alternative timekeeping system where every month has exactly 28 days. Why did we never adopt it?
Explore the origin of Friday the 13th superstitions, the historical events behind the myth, and the surprising mathematical proof of its frequency.
Discover the massive logistical challenge of planning the Formula 1 race calendar. How the sport plans travel, weather windows, and geographic grouping.
Discover the complex mathematics and supercomputer algorithms used to build the NFL schedule each year. How the league balances travel, rest, and TV.
Learn how the world's biggest sporting events coordinate their four-year cycles to avoid scheduling clashes and maximize global viewership.
Learn how cricket boards plan international matches and the IPL in India around extreme weather and the annual monsoon rain season.
Discover the 4-4-5 calendar system used in retail and manufacturing. Learn how splitting the year into specific weekly blocks makes financial reporting easy.
A complete guide to all 11 US federal holidays in 2025, including dates, history, and what's open and closed.
Discover what a 13th salary is, which countries require it by law, and how this unique payroll system works for businesses and employees.
Learn what a leap second is and why scientists add them to our clocks. Discover how the Earth's slow rotation affects our official timekeeping.
Learn the simple science and math behind leap years. Discover why our calendar needs leap days to stay in line with the Earth's orbit around the sun.
Discover why the months on our calendar have different numbers of days. The history of the Roman calendar, Julius Caesar, and Augustus.
Learn why major retail companies end their financial year in January or February rather than December. The logic of the retail cycle explained.
Is summer vacation really based on children working the harvest? Learn the surprising history of why schools take a long break in the summer months.
Discover the bizarre historical reason why the United Kingdom's tax year starts on April 6th. The story of the Julian-Gregorian calendar shift and 11 lost days.
Discover why the US government uses a fiscal calendar starting on October 1st. The history of budget timelines and Congress scheduling rules.