DayOfWeek

As of Version 10.0, calendar functionality is built into the Wolfram Language


gives the day of the week on which the given date occurred.


gives the day of the week for the given date.

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基本范例  (6)基本范例  (6)

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The Declaration of Independence was signed on a Thursday:

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The Bastille was stormed on a Tuesday:

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Canada became an independent nation on a Monday:

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Wolfram Research began on a Saturday:

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This gives the day of the week at the time the formula was input:

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Hours, minutes, and seconds do not affect the day of the week:

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