[OSM-dev] osm schema/dtd - planet and request timestamp

[spaetz]

On Tue, Sep 09, 2008 at 12:37:14PM +0100, Tom Hughes wrote:
> Well for planet that's simple - it isn't generated from any particular 
> state but rather contains some combination of the states over a period 
> of a number of hours as it is created.
> 
> So there is no single timestamp we could report.

Outputting the starting time would be sufficient for his purposes, all he need s to know is, does this snapshot contain data older then <n> days.

A planet is not consistent but it won't contain data older than the starting time.