How many days are in a week?
Answer7
A week has seven days.
Challenge · Facts & stats
Seven-Day facts & stats
7 fact-checked facts about the seven-day week and week-long habits, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Saturday is named after which Roman god?
AnswerSaturn
Saturday comes from Saturn's day.
Going deeper
Wednesday is named after which god?
AnswerWoden (Odin)
Wednesday is Woden's day.
Which ancient people are credited with early use of a seven-day cycle?
AnswerBabylonians
Babylonians tied a seven-day cycle to lunar phases.
In Spanish, which day is miercoles?
AnswerWednesday
Miercoles comes from Mercury's day, Wednesday.
Expert level
Friday is usually linked to which Norse goddess?
AnswerFrigg
Friday is traditionally Frigg's day.
Which Roman emperor made Sunday a day of rest in 321?
AnswerConstantine
Constantine decreed Sunday rest in 321 AD.
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