On which date is Groundhog Day celebrated in the United States and Canada?
AnswerFebruary 2
Groundhog Day is February 2, when folklore says a groundhog's shadow predicts the end of winter.
Challenge · Facts & stats
February facts & stats
7 fact-checked facts about February, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
On which date is Valentine's Day?
AnswerFebruary 14
Valentine's Day falls on February 14, the feast day associated with Saint Valentine.
Going deeper
What is the traditional birthstone for February?
AnswerAmethyst
Amethyst, a purple variety of quartz, is the traditional February birthstone.
In which hemisphere is February a summer month?
AnswerSouthern Hemisphere
Seasons are reversed south of the equator, so February falls in summer in places like Australia and Argentina.
Why can February sometimes pass with no full moon at all?
AnswerIt is shorter than the roughly 29.5-day lunar cycle
A full lunar cycle takes about 29.5 days, so a 28-day February can fall entirely between two full moons.
Expert level
Which country's calendar had a February 30 in 1712?
AnswerSweden
Sweden added February 30, 1712 to get back onto the Julian calendar after a botched gradual switch.
Which early Roman king is traditionally credited with adding January and February to the calendar?
AnswerNuma Pompilius
Roman tradition credits Numa Pompilius with adding January and February to the earlier ten-month calendar.
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