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Friday
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Friday

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is a day of the week.

Examples

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Basic Examples  (2)Summary of the most common use cases

Functions like DateValue can return Friday:

In[2]:=2
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https://wolfram.com/xid/09bk7n3kg-wm3x3m
Out[2]=2

Find the date of last Friday:

In[1]:=1
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https://wolfram.com/xid/09bk7n3kg-2mxh2a
Out[1]=1

Applications  (1)Sample problems that can be solved with this function

This time series contains the number of steps taken daily by a person during a period of five months:

In[1]:=1
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https://wolfram.com/xid/09bk7n3kg-chdui2

Analyze the number of steps depending on the day of the week:

In[20]:=20
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https://wolfram.com/xid/09bk7n3kg-044bim

Select the values for each day of the week:

In[21]:=21
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https://wolfram.com/xid/09bk7n3kg-8mdupu

Compute the mean number of steps for each day of the week:

In[22]:=22
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https://wolfram.com/xid/09bk7n3kg-00oehp

Visualize the mean steps per day:

In[53]:=53
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https://wolfram.com/xid/09bk7n3kg-1sn3qa
Out[53]=53
Wolfram Research (2012), Friday, Wolfram Language function, https://reference.wolfram.com/language/ref/Friday.html.
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Wolfram Research (2012), Friday, Wolfram Language function, https://reference.wolfram.com/language/ref/Friday.html.

Text

Wolfram Research (2012), Friday, Wolfram Language function, https://reference.wolfram.com/language/ref/Friday.html.

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Wolfram Research (2012), Friday, Wolfram Language function, https://reference.wolfram.com/language/ref/Friday.html.

CMS

Wolfram Language. 2012. "Friday." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Friday.html.

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Wolfram Language. 2012. "Friday." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Friday.html.

APA

Wolfram Language. (2012). Friday. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Friday.html

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Wolfram Language. (2012). Friday. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Friday.html

BibTeX

@misc{reference.wolfram_2025_friday, author="Wolfram Research", title="{Friday}", year="2012", howpublished="\url{https://reference.wolfram.com/language/ref/Friday.html}", note=[Accessed: 27-April-2025 ]}

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@misc{reference.wolfram_2025_friday, author="Wolfram Research", title="{Friday}", year="2012", howpublished="\url{https://reference.wolfram.com/language/ref/Friday.html}", note=[Accessed: 27-April-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_friday, organization={Wolfram Research}, title={Friday}, year={2012}, url={https://reference.wolfram.com/language/ref/Friday.html}, note=[Accessed: 27-April-2025 ]}

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@online{reference.wolfram_2025_friday, organization={Wolfram Research}, title={Friday}, year={2012}, url={https://reference.wolfram.com/language/ref/Friday.html}, note=[Accessed: 27-April-2025 ]}