4A414B56

7 ms·

1. 1.▲
   by 4A414B56 7y ago

   solar noon is the time @ the shortest shadow. You don't need an almanac for that. It's got problems, but if you're lost on land with a digital watch and a stick it'll work pretty well.
2. 2.▲
   by 4A414B56 7y ago

   This is a problem with everything being sold on amazon. I read reviews for a stamp (dates for ISO8601) and very few of the reviews are relevant to the product I was looking at. Almost none of them made sense for the product I was viewing, a
3. 3.▲
   by 4A414B56 7y ago

   Counterfeit products are still a huge problem on their platform. Great QC.
4. 4.▲
   by 4A414B56 7y ago

   put a stick in the ground and note the time at narrowing intervals until the shadow starts getting longer, taking the shortest shadow as solar noon??? seems like a non-issue since you've already got an accurate watch. if you're lo
5. 5.▲
   by 4A414B56 7y ago

   All you really need is an accurate watch at the local solar noon and the time of Greenwich's solar noon that day for longitude. Latitude is gained my measuring the angle of Polaris from the horizon (northern hemisphere only).