fix: make Globe light position accurate

Takes UTC current time with timezone difference, based on noon
I guess thanks again ChatGPT + StackOverflow?

apps/website/src/modules/globe/frag.glsl

@@ -17,4 +17,4 @@ void main() {
     vec3 color = mix(nightColor, dayColor, mixAmount);
 
     gl_FragColor = vec4(color, 1.0);
-}
+}

apps/website/src/modules/globe/index.ts

@@ -18,8 +18,8 @@ export class Globe {
 
         // Calculate local time for sun position
         const date = new Date()
-        const localHour = date.getHours() + date.getTimezoneOffset() / 60
-        this.options.sunAngle = (localHour - 12) / 12
+        const localHour = date.getUTCHours() + date.getTimezoneOffset() / 60
+        this.options.sunAngle = 2 * Math.PI * (localHour - 12) / 24
 
         // Parameters
         this.params = {