Day of Week Calculator

Calculates the day of the week from date.

Day of Week
Date
    1. AD BC

The Gregorian calendar is used for dates on and after October 15, 1582 A.D. and the Julian calendar is used before October 4, 1582.
Day of Week
[1-6] /6Disp-Num
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[1]  2018/11/09 05:12   Male / 60 years old level or over / A retired person / Useful /
Purpose of use
General interest and curiosity
Bug report
In Microsoft, this formula:
=TEXT("1/1/1900","dddd")
gives Sunday

but this web site gives Monday.

One or other is wrong, unless it's me.
from Keisan
There are bugs in Excel concerning dates.
The correct answer is 'Monday'.
https://en.wikipedia.org/wiki/January_1900
https://www.journalofaccountancy.com/issues/2015/aug/excel-date-formatting.html
[2]  2018/11/08 06:32   Female / 50 years old level / High-school/ University/ Grad student / Very /
Purpose of use
Problem solving, handling difficult people, customer service
[3]  2018/07/30 15:23   Female / 60 years old level or over / A retired people / Useful /
Purpose of use
to calculate Biblical things.
Comment/Request
My main question has to do with time in other places (eg. Jerusalem). Is your calculator set up to use different places in calculations?
[4]  2018/03/15 21:10   Male / 50 years old level / A retired people / Very /
Purpose of use
Very useful To calculate the dates of events happened in the remote past
[5]  2017/12/04 13:42   Male / Under 20 years old / High-school/ University/ Grad student / Very /
Purpose of use
Homework and for fun facts
Comment/Request
This is pretty cool
[6]  2009/07/31 20:52   Male / 50 level / An office worker / Very /
Purpose of use
getting acquainted with it
Comment/Request
very good

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