Complete early roadmap foundation and calendar helpers

2026-05-15 21:41:37 -07:00
parent 6cd6729b7b
commit 8ee1f83b16
80 changed files with 3354 additions and 157 deletions
@@ -0,0 +1,43 @@
+{
+  "schema_version": 1,
+  "generated_at_utc": "2026-05-16T04:14:42Z",
+  "source_registry": "Data/Tiles/ground_zero_tiles.json",
+  "generation_rule": "Only tiles with real source status and explicit timezone data are emitted.",
+  "tiles": [
+    {
+      "tile_id": "gz_us_ca_pacifica_utm10n_e544_n4160",
+      "center_latitude": 37.5925,
+      "center_longitude": -122.4995,
+      "time_zone_id": "America/Los_Angeles",
+      "standard_utc_offset_hours": -8.0,
+      "daylight_utc_offset_hours": -7.0,
+      "solar_model": "NOAA approximate sunrise/sunset",
+      "sample_solar_hours": {
+        "march_equinox": {
+          "sunrise_hour": 7.231,
+          "sunset_hour": 19.364,
+          "solar_noon_hour": 13.298,
+          "day_length_hours": 12.133
+        },
+        "june_solstice": {
+          "sunrise_hour": 5.807,
+          "sunset_hour": 20.571,
+          "solar_noon_hour": 13.189,
+          "day_length_hours": 14.764
+        },
+        "september_equinox": {
+          "sunrise_hour": 6.956,
+          "sunset_hour": 19.122,
+          "solar_noon_hour": 13.039,
+          "day_length_hours": 12.166
+        },
+        "december_solstice": {
+          "sunrise_hour": 8.348,
+          "sunset_hour": 17.912,
+          "solar_noon_hour": 13.13,
+          "day_length_hours": 9.564
+        }
+      }
+    }
+  ]
+}