[tz] How widely used is the tz database?

Mark Davis ☕ mark at macchiato.com
Sun Mar 31 09:28:59 UTC 2013

I'd guess almost every modern system except Windows. Including mobile
devices, 1B is probably low.

Moreover, simply a count of computers doesn't tell the real story. For
example, someone can be on Windows but if they are using Google services,
they are using the tz database on Google's servers.

Mark <https://plus.google.com/114199149796022210033>
*— Il meglio è l’inimico del bene —*

On Sun, Mar 31, 2013 at 10:34 AM, Paul Eggert <eggert at cs.ucla.edu> wrote:

> [changing the Subject: line]
> On 03/30/13 23:41, David Patte ₯ wrote:
> > are there any estimates of how many computer systems
> > currently use the tz database
> I'd guess a billion computer systems now, with
> one or two million activated per day.  This compares
> to a world population of about seven billion people,
> with about a third of a million babies born every day.
> At this rate it won't be too long before the lines cross.
> I should emphasize, though, that the computer counts
> and projections are merely guesses.
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