Roughly estimating direction from the sun
- Low, but time-consuming
- Sunshine, a stick, some time
- Usable by dayYes
- Usable at nightNo
- Under overcast skyNo
- Dependable enough for longer distancesPartly
Only rough; small errors lead far from the target over distance.
- Without equipmentYes
- In both hemispheres and at all latitudesPartly
Particularly unreliable in the tropics and at high latitudes.