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Den fre 31 juli 2020 kl 20:57 skrev John Kaufmann <>:

For many years my filing has used a kind of 'modified-ISO' 12-digit
date/time pattern: YYYY-MMDD-HHmm. Advantages are that it is compact,
easily read, sorts and is a valid filename string in all OS.

        Writer has very flexible field formats, giving the option to
format Date fields as YYYY-MMDD, Time fields as HHmm, and either Date or
Time fields as YYYY-MMDD-HHmm -- so it has everything I want, with complete
flexibility to format as needed.

        Calc appears to be not flexible, but seems to use strict ISO
formatting for Date (YYYY-MM-DD) and Time (HH:mm:ss) fields. /Within
cells/, of course, there is flexibility to format Date and Time as desired.

        Draw also appears to be not flexible, but uses /different/
formatting for Date (MM/DD/YYYY) and Time (HH:mm:ss AM|PM). This seems to
be the worst of all possible choices, because the formats are neither
strict ISO nor as I would like.

Which language settings do you have? I'm Swedish and in draw I can choose
between the following date formats when inserting a date field:
YYYY-DD-MM (default)
NN "den" D MMM YY

When inserting a time field I have the following options:
HH:mm:ss (default)
HH:mm:ss AM/PM
HH:mm:ss,00 AM/PM

It's not total freedom, but at least the ISO formats are there.

I agree though that it's strange that fields don't work the same over the
whole suite. Seems like someone unnecessarily re-invented the wheel, and
did that more than onceā€¦

Kind regards

Johnny Rosenberg

With that context, I have these questions:

(Q1) If I go to Tools - Options - Language Settings - Languages - Language
Of - Date acceptance patterns,
the field is populated with:
which are apparently associated with Language Settings - Languages -
Language Of - Locale setting. Is that correct?

(Q2) IAC, the "Date acceptance patterns" do not explain the Date or Time
field behavior of either Calc or Draw (although the "M/D/Y" option in that
string may relate to Draw's "(M)M/(D)D/YY" format).
Should the "Date acceptance patterns" affect the Calc or Draw field
formats? If not, what is the source of the Date and Time formats in those

Moreover, if I try to add to the "acceptance patterns" (to add
"YYYY-MMDD", and possibly other formats), the field immediately turns red
and will not accept additions. [BTW: If I try to enter the new format in
lowercase, LO crashes immediately, but that's a separate problem for which
I will check the bugs and file if needed.] So I can't try any additional
formats to see the effect (if any) on Calc or Draw. This raises two
questions with regard to "Date acceptance patterns":

        (Q3) How should this field behave when one attempts to add formats
(as the Help says one may)?
        (Q4) Is there some comparable setting for Time formats?


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