Re: org-table change time from UTC to other timezones

2020-12-13 Thread Alan E. Davis
Maxim: Both of these links, like your comments, are incredibly useful. Happy New Year (however you may measure that thing) On Sun, Dec 13, 2020 at 9:05 AM Maxim Nikulin wrote: > 2020-12-13 Alan E. Davis wrote: > > > > I think R would not be too unwieldy as a hammer here. My use case is a >

Re: org-table change time from UTC to other timezones

2020-12-13 Thread Maxim Nikulin
2020-12-13 Alan E. Davis wrote: I think R would not be too unwieldy as a hammer here.  My use case  is a humble one: just take a several clock times in HH:MM format (utc) and adjust to  another timezone by adding or subtracting the relevant number of hours.  The day of week is not important;

Re: org-table change time from UTC to other timezones

2020-12-12 Thread Alan E. Davis
Thank for the ideas. The 'date' command examples look interesting. I think R would not be too unwieldy as a hammer here. My use case is a humble one: just take a several clock times in HH:MM format (utc) and adjust to another timezone by adding or subtracting the relevant number of hours.

Re: org-table change time from UTC to other timezones

2020-12-12 Thread Tim Cross
Maxim Nikulin writes: > 2020-12-12 Alan E. Davis wrote: >> >> Thank for the clear explanation. My little problem seems to require a >> super steam hammer. Your insights are most helpful. > > In my opinion, org mode is too rigid in respect to timestamp format. > Sometimes I would prefer to

Re: org-table change time from UTC to other timezones

2020-12-12 Thread Maxim Nikulin
2020-12-12 Alan E. Davis wrote: Thank for the clear explanation.  My little problem seems to require a super steam hammer.  Your insights are most helpful. You do not need a steam hammer. There are a number of tools around. Some of hammers however could not deal with all nails. Even

Re: org-table change time from UTC to other timezones

2020-12-11 Thread Jean Louis
* Maxim Nikulin [2020-12-11 18:45]: > 2020-12-11 Alan E. Davis wrote: > > > > I had hoped that subtracting 10 hours from 06:44 UTC would get me at > > least -04:44. > > I am in doubts how to present negative time correctly. Having in mind wall > clocks with hands, your expectation has some

Re: org-table change time from UTC to other timezones

2020-12-11 Thread Alan E. Davis
Maxim: Thank for the clear explanation. My little problem seems to require a super steam hammer. Your insights are most helpful. Alan On Fri, Dec 11, 2020, 07:46 Maxim Nikulin wrote: > 2020-12-11 Alan E. Davis wrote: > > > > I had hoped that subtracting 10 hours from 06:44 UTC would get

Re: org-table change time from UTC to other timezones

2020-12-11 Thread Maxim Nikulin
2020-12-11 Alan E. Davis wrote: I had hoped that subtracting 10 hours from 06:44 UTC would get me at least -04:44. I am in doubts how to present negative time correctly. Having in mind wall clocks with hands, your expectation has some sense. I think, the source of confusion is that you

Re: org-table change time from UTC to other timezones

2020-12-10 Thread Alan E. Davis
Thank you for taking the time to answer my questions, TIm. For my purposes, it's maybe easier to just bite the bullet and do it in my head. I had hoped that subtracting 10 hours from 06:44 UTC would get me at least -04:44. I can easily make the change to correct clock time (19:44) and change

Re: org-table change time from UTC to other timezones

2020-12-10 Thread Tim Cross
Alan E. Davis writes: > I am close to throwing in the towel. > > Thank you for the suggestion. Several problems have been encountered. I > wonder whether I understand this tool at all. If I subtract 10:00 from > 08:46, the answer given is -01:14. I used #+TBLFM: $6=$4+$5;U, as follows >

Re: org-table change time from UTC to other timezones

2020-12-10 Thread Alan E. Davis
I am close to throwing in the towel. Thank you for the suggestion. Several problems have been encountered. I wonder whether I understand this tool at all. If I subtract 10:00 from 08:46, the answer given is -01:14. I used #+TBLFM: $6=$4+$5;U, as follows (please forgive the formatting): |

Re: org-table change time from UTC to other timezones

2020-12-09 Thread Tim Cross
Alan E. Davis writes: > I have been pleased to learn that I can add / subtract hours in org-table > to shift time zones. I am making tables of lunar/solar parameters > relevant to tides. Org-table is a convenient way to enter data in a > tabular format that can be printed via LaTeX. So