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=2026-07-06&lat=46&long=14&zoom=8&abs=-1 2026-07-06: 46.179814 14.511275 Latitude: 46.17981436222657 <br />Longitude: 14.51127548681199 46.17981436222657 14.51127548681199 Mon, Jul 6 2026 15:30:00 +0100 2e0850651d3c2e0682e2f3471a9e6c5a http://carabiner.peeron.com/xkcd/map/map.html?date=2026-07-05&lat=46&long=14&zoom=8&abs=-1 2026-07-05: 46.770941 14.086215 Latitude: 46.77094100512974 <br />Longitude: 14.086214564221057 46.77094100512974 14.086214564221057 Sun, Jul 5 2026 15:30:00 +0100 c55c63c42d77c7bb1612285dc4b16f68 http://carabiner.peeron.com/xkcd/map/map.html?date=2026-07-04&lat=46&long=14&zoom=8&abs=-1 2026-07-04: 46.11012 14.752668 Latitude: 46.11011959837129 <br />Longitude: 14.75266817427371 46.11011959837129 14.75266817427371 Sat, Jul 4 2026 15:30:00 +0100 1c30cc49a740f03cc0aedc893ee111c9 http://carabiner.peeron.com/xkcd/map/map.html?date=2026-07-03&lat=46&long=14&zoom=8&abs=-1 2026-07-03: 46.54231 14.46413 Latitude: 46.54231017175129 <br />Longitude: 14.46412977851826 46.54231017175129 14.46412977851826 Fri, Jul 3 2026 15:30:00 +0100 8ad4d6e3f5bf033b76d1358bd5ec65a8