xkcd Geohashing http://wiki.xkcd.com/geohashing/Main_Page XKCD comic #426 contains an algorithm that generates random coordinates across the graticule every day. http://carabiner.peeron.com/xkcd/map/map.html?date=2026-02-17&lat=46&long=14&zoom=8&abs=-1 2026-02-17: 46.463701 14.308151 Latitude: 46.46370112799148 <br />Longitude: 14.30815066975239 46.46370112799148 14.30815066975239 Tue, Feb 17 2026 15:30:00 +0100 76b51dfbd77bf4d24ee2f658d3b6efa7 http://carabiner.peeron.com/xkcd/map/map.html?date=2026-02-16&lat=46&long=14&zoom=8&abs=-1 2026-02-16: 46.16324 14.831586 Latitude: 46.16324034257118 <br />Longitude: 14.83158616172919 46.16324034257118 14.83158616172919 Mon, Feb 16 2026 15:30:00 +0100 29ca1e7cbb254f23d4e2d4a86edc51ab http://carabiner.peeron.com/xkcd/map/map.html?date=2026-02-15&lat=46&long=14&zoom=8&abs=-1 2026-02-15: 46.446247 14.43597 Latitude: 46.44624699317217 <br />Longitude: 14.43597048258086 46.44624699317217 14.43597048258086 Sun, Feb 15 2026 15:30:00 +0100 723d3e319ce1ff366f9bc2f4b4c53496 http://carabiner.peeron.com/xkcd/map/map.html?date=2026-02-14&lat=46&long=14&zoom=8&abs=-1 2026-02-14: 46.584089 14.895886 Latitude: 46.58408861880147 <br />Longitude: 14.89588586975658 46.58408861880147 14.89588586975658 Sat, Feb 14 2026 15:30:00 +0100 9586d4ebb7d85aeee558c6bf8d941c0e