This is a feature that would greatly assist in searching for items of
interest that are found and indexed by Google in different time
periods. The standard Google query to google.com accepts time
parameters in the form of qdr, for example:

http://www.google.com/search?as_epq=“My Search
Term”as_occt=title&as_qdr=d would give results for “My Search Term”
for the last 24 hours.
http://www.google.com/search?as_epq=“My Search
Term”&as_occt=title&as_qdr=w would give results for the same search
term for the last 7 days.
http://www.google.com/search?as_epq=“My Search
Term”&as_occt=title&as_qdr=m would give results going back to a month.
http://www.google.com/search?as_epq=“My Search
Term”&as_occt=title&as_qdr=y using this one could get results going
back to a year and so on.
The value of as_qdr, i.e. d, w, m and y signifies day, week, month and
year respectively.

We have tried to replicate the same using the API
http://ajax.googleapis.com/ajax/services/search/web?v=1.0&scoring=d&rsz=large
&q=“My Search Term”, by adding the qdr parameter, but that doesn’t
seem to make a difference and we still get the latest results upto a
maximum of 64 items.

How can I obtain results through the API over a specific time period
(eg past 7 days)?  For example, is it possible to use a
parameter such as qdr (or anything else) to specify what time frame I
want my results for?  If not, can this functionality be developed for
the API?

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