Geoclue2 doesn't work for automatic day/night switch with the beacondb provider

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1

When the day/night cycle is set to automatic with GeoClue2 and the beacondb provider, it simply shows my location as in the Bering Strait (i.e. along the International Date Line) instead of my actual location. I’m forced to use location coordinates instead. Here’s my geoclue.conf:

[general]
allowed=true
system=true
users=

[agent]
whitelist=

[wifi]
enabled=true
submit-data=false
url=https://api.beacondb.net/v1/geolocate

I’m not aware of any other location provider since Mozilla’s one went extinct.
Using wget or otherwise accessing the API url returns a 404 - I have no idea if that’s by design.

How do I fix the day night cycle to work automatically?