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* calculate weekday of birthday
@ 2017-07-31 13:10 Salome Soedergran
  2017-07-31 22:24 ` Adam Porter
  2017-07-31 22:26 ` Nick Dokos
  0 siblings, 2 replies; 3+ messages in thread
From: Salome Soedergran @ 2017-07-31 13:10 UTC (permalink / raw)
  To: emacs-orgmode

Hi everybody

How can I make orgmode to give me the weekday of a specific date?
I have a list (org-table) with students' names and dates of birth that looks like this:
|------+-----------+------+-------+-----+-----+---------|
| Name | Firstname | year | month | day | age | weekday |
|------+-----------+------+-------+-----+-----+---------|
| Doe  | John      | 2001 |    05 |  21 |  16 |         |
|------+-----------+------+-------+-----+-----+---------|
#+TBLFM: @2$8..@>$6='(+ (- 2017 $5) (if(> $4 7) 0 1));L::

I have a formula to make orgtable calculate the age the student reaches in the current academic year (Aug-July) but I don't know how to get the birthday's weekday in the current year. Can anybody help me? Thanks a lot in advance!

Best, Salome

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2017-07-31 13:10 calculate weekday of birthday Salome Soedergran
2017-07-31 22:24 ` Adam Porter
2017-07-31 22:26 ` Nick Dokos

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