Watch on April 20 at 10:00 a.m. PDT.
Astronomical season
20 March – 21 June
Meteorological season
1 March – 31 May
Solar (Celtic) season
1 February – 30 April
…After a lot of engineering, the arm they came up with was of stainless steel that, thanks to an internal spring under very high pressure, balanced the weight of the screen perfectly. The screen could be moved easily with just one finger; its cables ran internally.
