diff --git a/crates/apps/tahuantinsuyu/src/shell.rs b/crates/apps/tahuantinsuyu/src/shell.rs
index 0f5de20..e1f3342 100644
--- a/crates/apps/tahuantinsuyu/src/shell.rs
+++ b/crates/apps/tahuantinsuyu/src/shell.rs
@@ -178,6 +178,14 @@ impl Shell {
         if module_enabled(&self.module_configs, "transit") {
             requests.push(PipelineRequest::Transit);
         }
+        if module_enabled(&self.module_configs, "progression") {
+            if let Some(chart) = self.current_chart.as_ref() {
+                let age = current_age_years(&chart.birth_data);
+                requests.push(PipelineRequest::SecondaryProgression {
+                    target_age_years: age,
+                });
+            }
+        }
         requests
     }
 
@@ -301,6 +309,22 @@ impl Shell {
 // Helpers de module_configs
 // =====================================================================
 
+/// Edad en años decimales desde el nacimiento hasta el reloj actual.
+/// Aproximación: ignora la TZ de nacimiento (no afecta a resolución de
+/// año) y usa una fracción de año tropical sobre los segundos Unix.
+fn current_age_years(birth: &tahuantinsuyu_model::StoredBirthData) -> f64 {
+    use std::time::{SystemTime, UNIX_EPOCH};
+    let now_secs = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .map(|d| d.as_secs_f64())
+        .unwrap_or(0.0);
+    let birth_year_frac = birth.year as f64
+        + (birth.month.saturating_sub(1) as f64) / 12.0
+        + (birth.day.saturating_sub(1) as f64) / 365.25;
+    let now_year_frac = 1970.0 + now_secs / (365.2422 * 86400.0);
+    (now_year_frac - birth_year_frac).max(0.0)
+}
+
 fn module_enabled(cfgs: &HashMap<String, serde_json::Value>, id: &str) -> bool {
     cfgs.get(id)
         .and_then(|c| c.get("enabled"))
diff --git a/crates/modules/tahuantinsuyu/tahuantinsuyu-canvas/src/lib.rs b/crates/modules/tahuantinsuyu/tahuantinsuyu-canvas/src/lib.rs
index 43be368..c265dbd 100644
--- a/crates/modules/tahuantinsuyu/tahuantinsuyu-canvas/src/lib.rs
+++ b/crates/modules/tahuantinsuyu/tahuantinsuyu-canvas/src/lib.rs
@@ -535,13 +535,19 @@ fn render_wheel(
         }
     }
 
-    // Planet glyphs (natal).
+    // Planet glyphs: natal (en `bodies`) y progresada (en `progression`,
+    // con alpha + tamaño un poco distintos para diferenciarlos).
     if visible.get(&LayerKind::Bodies).copied().unwrap_or(true) {
         for layer in &render.layers {
             if matches!(layer.kind, LayerKind::Bodies) {
+                let is_prog = layer.module_id == "progression";
+                let ring = if is_prog { radii.progression } else { radii.bodies };
+                let alpha = if is_prog { 0.85 } else { 1.0 };
+                let font_size = if is_prog { 14.0 } else { 18.0 };
+                let box_size = if is_prog { 20.0 } else { 24.0 };
                 for g in &layer.glyphs {
-                    let (x, y) = polar_to_screen(g.deg, asc, rot_offset, radii.bodies);
-                    let color = planet_color(palette, &g.symbol);
+                    let (x, y) = polar_to_screen(g.deg, asc, rot_offset, ring);
+                    let color = with_alpha(planet_color(palette, &g.symbol), alpha);
                     let glyph_text = if g.retrograde {
                         format!("{}ᴿ", planet_unicode(&g.symbol))
                     } else {
@@ -550,8 +556,8 @@ fn render_wheel(
                     wheel = wheel.child(centered_glyph(
                         cx_center + x,
                         cy_center + y,
-                        24.0,
-                        18.0,
+                        box_size,
+                        font_size,
                         glyph_text.into(),
                         color,
                     ));
@@ -678,11 +684,14 @@ struct Radii {
     sign_inner: f32,
     /// Anillo de glifos de tránsito (cuando el overlay está activo).
     /// Vive entre `sign_inner` y `houses_outer`; queda vacío cuando no
-    /// hay capa Outer.
+    /// hay capa Outer con module_id = "transit".
     transits: f32,
     houses_outer: f32,
     houses_inner: f32,
     bodies: f32,
+    /// Anillo interno con cuerpos progresados (cuando hay overlay de
+    /// progresión secundaria). Queda vacío sino.
+    progression: f32,
     aspects: f32,
 }
 
@@ -695,7 +704,20 @@ impl Radii {
             houses_outer: r * 0.78,
             houses_inner: r * 0.66,
             bodies: r * 0.58,
-            aspects: r * 0.50,
+            progression: r * 0.48,
+            aspects: r * 0.38,
+        }
+    }
+
+    /// Resuelve qué radios corresponden a una capa de aspectos según el
+    /// `module_id`: natal-natal en `aspects`, cross-aspects con
+    /// tránsito desde `bodies` a `transits`, cross con progresión desde
+    /// `bodies` a `progression`.
+    fn aspect_endpoints(&self, module_id: &str) -> (f32, f32) {
+        match module_id {
+            "transit" => (self.bodies, self.transits),
+            "progression" => (self.bodies, self.progression),
+            _ => (self.aspects, self.aspects),
         }
     }
 }
@@ -810,17 +832,19 @@ fn paint_wheel(
         );
     }
 
-    // 3. Aspectos. Distinguir natal (line entre dos puntos en r_aspects)
-    // del transit (line natal → transit, distintos radios).
+    // 3. Aspectos. Cada module_id usa su par de radios — natal-natal
+    // ambos en `aspects`, cross con transit en `bodies → transits`,
+    // cross con progression en `bodies → progression`.
     if show(LayerKind::Aspects) {
         for layer in layers {
             if matches!(layer.kind, LayerKind::Aspects) {
                 if let Geometry::Lines(segs) = &layer.geometry {
-                    let is_transit = layer.module_id == "transit";
+                    let (r_from, r_to) = radii.aspect_endpoints(&layer.module_id);
+                    let is_cross = r_from != r_to;
                     for seg in segs {
                         let color = aspect_color(palette, &seg.kind);
                         let color = with_alpha(color, color.a * seg.opacity);
-                        if is_transit {
+                        if is_cross {
                             paint_cross_aspect_line(
                                 window,
                                 cx,
@@ -829,8 +853,8 @@ fn paint_wheel(
                                 seg.to_deg,
                                 ascendant_deg,
                                 rot_offset_deg,
-                                radii.bodies,
-                                radii.transits,
+                                r_from,
+                                r_to,
                                 color,
                             );
                         } else {
@@ -842,7 +866,7 @@ fn paint_wheel(
                                 seg.to_deg,
                                 ascendant_deg,
                                 rot_offset_deg,
-                                radii.aspects,
+                                r_from,
                                 color,
                             );
                         }
@@ -852,21 +876,48 @@ fn paint_wheel(
         }
     }
 
-    // 4. Dots de cuerpos (natal).
+    // 4. Dots de cuerpos: natal en `bodies`, progresada en `progression`.
     if show(LayerKind::Bodies) {
         let dot_r = (radii.sign_outer * 0.018).max(2.0);
         for layer in layers {
             if matches!(layer.kind, LayerKind::Bodies) {
+                let ring = match layer.module_id.as_str() {
+                    "progression" => radii.progression,
+                    _ => radii.bodies,
+                };
+                let alpha = if layer.module_id == "progression" { 0.85 } else { 1.0 };
                 for g in &layer.glyphs {
-                    let color = planet_color(palette, &g.symbol);
-                    let (x, y) =
-                        polar_to_screen(g.deg, ascendant_deg, rot_offset_deg, radii.bodies);
+                    let color = with_alpha(planet_color(palette, &g.symbol), alpha);
+                    let (x, y) = polar_to_screen(g.deg, ascendant_deg, rot_offset_deg, ring);
                     fill_circle(window, cx + x, cy + y, dot_r, color);
                 }
             }
         }
     }
 
+    // Si hay progresión, dibujar anillo guía sutil delimitando su slot.
+    let prog_active = layers
+        .iter()
+        .any(|l| matches!(l.kind, LayerKind::Bodies) && l.module_id == "progression");
+    if prog_active {
+        stroke_circle(
+            window,
+            cx,
+            cy,
+            radii.progression + radii.sign_outer * 0.03,
+            0.5,
+            with_alpha(palette.house_cusp, 0.35),
+        );
+        stroke_circle(
+            window,
+            cx,
+            cy,
+            radii.progression - radii.sign_outer * 0.03,
+            0.5,
+            with_alpha(palette.house_cusp, 0.35),
+        );
+    }
+
     // 5. Outer ring (transit overlay): anillo guía + dots de transit.
     let transit_active = layers
         .iter()
diff --git a/crates/modules/tahuantinsuyu/tahuantinsuyu-engine/src/bridge.rs b/crates/modules/tahuantinsuyu/tahuantinsuyu-engine/src/bridge.rs
index d4638d3..480f48c 100644
--- a/crates/modules/tahuantinsuyu/tahuantinsuyu-engine/src/bridge.rs
+++ b/crates/modules/tahuantinsuyu/tahuantinsuyu-engine/src/bridge.rs
@@ -9,8 +9,9 @@ use std::sync::OnceLock;
 use std::time::Instant;
 
 use eternal_astrology::{
-    find_aspects, find_synastry_aspects, Aspect, AspectKind as EAspectKind, BirthData, BodySet,
-    ChartConfig, HouseSystem as EHouseSystem, NatalChart, OrbTable, Zodiac as EZodiac,
+    find_aspects, find_synastry_aspects, secondary_progression, Aspect, AspectKind as EAspectKind,
+    BirthData, BodySet, ChartConfig, HouseSystem as EHouseSystem, NatalChart, OrbTable,
+    Zodiac as EZodiac,
 };
 use eternal_sky::{Ayanamsha, Body, EphemerisSession, Instant as ESInstant, Observer, SessionConfig};
 
@@ -254,6 +255,9 @@ pub fn compose(
             crate::PipelineRequest::Transit => {
                 build_transit_overlay(&natal, &config_e, observer, ESInstant::now(), &mut render)?;
             }
+            crate::PipelineRequest::SecondaryProgression { target_age_years } => {
+                build_progression_overlay(&natal, *target_age_years, &mut render)?;
+            }
         }
     }
 
@@ -327,6 +331,73 @@ fn build_transit_overlay(
     Ok(())
 }
 
+/// Helper: agrega al `RenderModel` las capas del overlay de progresión
+/// secundaria. La carta progresada se computa con el mismo observer y
+/// config que la natal pero al instante natal+(age_years/period_years)
+/// días.
+fn build_progression_overlay(
+    natal: &NatalChart,
+    target_age_years: f64,
+    render: &mut RenderModel,
+) -> Result<(), EngineError> {
+    let session = session()?;
+    let prog = secondary_progression(natal, session, target_age_years)
+        .map_err(|e| EngineError::Eternal(format!("secondary_progression: {:?}", e)))?;
+    let progressed = &prog.progressed;
+
+    // Glifos de los cuerpos progresados — anillo interno (radio 0.48).
+    let glyphs: Vec<Glyph> = progressed
+        .placements
+        .iter()
+        .map(|p| Glyph {
+            deg: p.longitude.longitude_deg() as f32,
+            symbol: body_symbol(p.body).into(),
+            annotation: Some(format!("{:.1}°", p.longitude.degree_in_sign_decimal())),
+            retrograde: p.longitude_rate_rad_per_day < 0.0,
+            house: Some(p.house_number),
+        })
+        .collect();
+    render.layers.push(Layer {
+        module_id: "progression".into(),
+        kind: LayerKind::Bodies,
+        ring: 0.48,
+        z: 6,
+        geometry: Geometry::GlyphsOnly,
+        glyphs,
+    });
+
+    // Cross aspects natal × progresada (sólo mayores).
+    let cross = find_synastry_aspects(
+        natal,
+        progressed,
+        &OrbTable::modern_western(),
+        EAspectKind::MAJORS,
+    );
+    let cross_lines: Vec<LineSeg> = cross
+        .iter()
+        .filter_map(|a| {
+            let natal_p = natal.placement(a.person_a_body)?;
+            let prog_p = progressed.placement(a.person_b_body)?;
+            let opacity = orb_to_opacity(a.orb_abs_deg(), a.kind);
+            Some(LineSeg {
+                from_deg: natal_p.longitude.longitude_deg() as f32,
+                to_deg: prog_p.longitude.longitude_deg() as f32,
+                kind: aspect_kind_id(a.kind).into(),
+                opacity: opacity * 0.7,
+            })
+        })
+        .collect();
+    render.layers.push(Layer {
+        module_id: "progression".into(),
+        kind: LayerKind::Aspects,
+        ring: 0.0,
+        z: 7,
+        geometry: Geometry::Lines(cross_lines),
+        glyphs: Vec::new(),
+    });
+    Ok(())
+}
+
 // =====================================================================
 // NatalChart → RenderModel
 // =====================================================================
diff --git a/crates/modules/tahuantinsuyu/tahuantinsuyu-engine/src/lib.rs b/crates/modules/tahuantinsuyu/tahuantinsuyu-engine/src/lib.rs
index 97b4e16..25d18c9 100644
--- a/crates/modules/tahuantinsuyu/tahuantinsuyu-engine/src/lib.rs
+++ b/crates/modules/tahuantinsuyu/tahuantinsuyu-engine/src/lib.rs
@@ -164,8 +164,16 @@ pub enum PipelineRequest {
     /// `module_id = "transit"` — anillo externo con planetas al
     /// instante actual (reloj de pared) + cross aspects natal × transit.
     Transit,
-    // ── Fase 7 ──────────────────────────────────────────────────────
-    // SecondaryProgression { target_year: i32 },
+    /// `module_id = "progression"` — anillo interno con los planetas
+    /// progresados (método secundario "día por año") a la edad pedida
+    /// + cross aspects natal × progresada.
+    SecondaryProgression {
+        /// Edad simbólica en años a la que avanzar la carta. Para "la
+        /// edad de hoy", el shell la calcula a partir de `birth_data` +
+        /// `SystemTime::now`.
+        target_age_years: f64,
+    },
+    // ── Fase 8 ──────────────────────────────────────────────────────
     // SolarArc { target_year: i32 },
     // Synastry { partner: tahuantinsuyu_model::ChartId },
 }
diff --git a/crates/modules/tahuantinsuyu/tahuantinsuyu-modules/src/lib.rs b/crates/modules/tahuantinsuyu/tahuantinsuyu-modules/src/lib.rs
index 6c2add1..8ae243d 100644
--- a/crates/modules/tahuantinsuyu/tahuantinsuyu-modules/src/lib.rs
+++ b/crates/modules/tahuantinsuyu/tahuantinsuyu-modules/src/lib.rs
@@ -124,6 +124,7 @@ impl Registry {
         let mut r = Self { modules: Vec::new() };
         r.register(Box::new(natal::NatalModule));
         r.register(Box::new(transit::TransitModule));
+        r.register(Box::new(progression::ProgressionModule));
         r
     }
 
@@ -274,6 +275,52 @@ pub mod transit {
     }
 }
 
+// =====================================================================
+// ProgressionModule — progresión secundaria (día por año)
+// =====================================================================
+
+pub mod progression {
+    use super::*;
+
+    /// Anillo interno con la carta progresada (método secundario,
+    /// "un día de efemérides = un año de vida") + cross aspects natal ×
+    /// progresada. La engine lo despacha vía
+    /// `PipelineRequest::SecondaryProgression { target_age_years }`.
+    pub struct ProgressionModule;
+
+    impl Module for ProgressionModule {
+        fn id(&self) -> &'static str {
+            "progression"
+        }
+        fn label(&self) -> &'static str {
+            "Progresión secundaria"
+        }
+        fn description(&self) -> &'static str {
+            "Día-por-año: avanza la carta a la edad actual."
+        }
+        fn applies_to(&self, kind: ChartKind) -> bool {
+            matches!(kind, ChartKind::Natal)
+        }
+        fn enabled_by_default(&self) -> bool {
+            false
+        }
+        fn controls(&self) -> Vec<Control> {
+            vec![Control::Toggle {
+                key: "enabled".into(),
+                label: "Activar".into(),
+                default: false,
+                // Sin hotkey por ahora — el toggle vive en el panel.
+                // Fase 8 puede agregar [G] vía un canal genérico de
+                // ModuleToggleRequested.
+                hotkey: None,
+            }]
+        }
+        fn compute_layers(&self, _chart: &Chart, _cfg: &serde_json::Value) -> Vec<Layer> {
+            Vec::new()
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -283,8 +330,9 @@ mod tests {
         let r = Registry::with_builtins();
         assert!(r.find("natal").is_some());
         assert!(r.find("transit").is_some());
-        // Natal kind tiene 2 módulos aplicables: el propio + transit overlay.
-        assert_eq!(r.for_kind(ChartKind::Natal).len(), 2);
+        assert!(r.find("progression").is_some());
+        // Natal kind tiene 3 módulos aplicables: natal + transit + progression.
+        assert_eq!(r.for_kind(ChartKind::Natal).len(), 3);
         // Synastry kind no tiene módulos hoy.
         assert!(r.for_kind(ChartKind::Synastry).is_empty());
     }