These are some of my favourite websites and phone apps for helping with astronomy and solar time.
- https://mysolartime.com/ – double check your solar time
- https://apps.apple.com/us/app/solar-time/id1100646247 – solar time for iPhone
- https://theskylive.com/ – gives you positions of all sky objects
- https://www.ngdc.noaa.gov/geomag/calculators/mobileDeclination.shtml – web app that shows both true north and magnetic north
- https://latlonconnect.app – shows you which other towns and cities lie on any given latitude (and longitude) line
Things that might not quite fit elsewhere
In 2025 I took a visit to Cambridge, UK to find scientific wonders: Cambridge, a Science Historian’s Paradise