On Nov 19, 2007, at 10:59 PM, Igor Tandetnik wrote:

Jonathan O <[EMAIL PROTECTED]> wrote:
On 11/19/07, Igor Tandetnik <[EMAIL PROTECTED]>
wrote:
What does the data in time_column look like?

Currently looks like HH:MM:SS or MM:SS.

The latter is going to cause difficulties - SQLite's date/time functions are going to interpret it as HH:MM with seconds omitted. If you insist on storing strings, normalize them all to HH:MM:SS format. Then you can do something like this:

select time(AVG(strftime('%s', time_column))  / 86400.0 - 0.5)
from tablename;

I was trying to figure out how this worked and came up with a better solution:

select time(avg(strftime('%s',time_column)), 'unixepoch') from tablename;

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