Calendars and Timekeeping

What this quiz asks

• Which month is named after Julius Caesar?
• What traditionally trickles through this timer?
• In English, which day of the week is named after the Norse god Thor?
• The year 2000 was a leap year.
• Select ALL of these months that always have 31 days.
• Which pope gave his name to the calendar most of the world uses today?
• We have 60 minutes in an hour thanks to the base-60 counting of which ancient people?
• In 1884, an international conference chose a prime meridian passing through which place?
• Did the ancient Egyptian civil calendar have 365 days?
• Which large country has used a single official time zone since 1949, despite spanning about five?
• Order these timekeepers from the oldest invention to the newest.
• Chinese New Year falls on the same date of the Gregorian calendar every year.
• John Harrison's marine chronometers solved which great problem for 18th-century sailors?
• Julius Caesar's calendar gave the year an average length of how many days?
• In what year did Britain and its American colonies switch to the Gregorian calendar?
• The French Revolutionary calendar split each month into three 'décades'. How many days were in each one?
• Select ALL of these calendars that are lunisolar, following both the Moon and the Sun.
• When Catholic countries first adopted the Gregorian calendar in October 1582, how many days were skipped?
• Which country switched from the Julian to the Gregorian calendar in 1923?
• Russia's 'October Revolution' of 1917 took place in which month of the Gregorian calendar?