The Internet is full of colourful twilight skies ascribed to Kasotochi's eruption. Ordinary twilights are a magical time too and there is a danger that they are all attributed to Kasotochi's fires!
However, scan through this collection taken in Kansas by Doug Zubenel. They show the many effects of stratospheric dust and aerosol. An extraordinary bright yellow twilight arch. Long diffuse shadows cast by sunlight from over the horizon that has grazed lower tropospheric clouds. The intense 'purple light' that forms higher in the sky as twilight deepens.
Krakatoa coloured Earth's twilights for years. In comparison Kasotochi was puny - but it has plenty to offer.
More twilights 1,2,3,4,5,6,7