diff --git a/packages/api/src/router/holiday-calendar-catalog-read.ts b/packages/api/src/router/holiday-calendar-catalog-read.ts
new file mode 100644
index 0000000..b9a6211
--- /dev/null
+++ b/packages/api/src/router/holiday-calendar-catalog-read.ts
@@ -0,0 +1,203 @@
+import { TRPCError } from "@trpc/server";
+import { z } from "zod";
+import { findUniqueOrThrow } from "../db/helpers.js";
+import { adminProcedure } from "../trpc.js";
+import { asHolidayCalendarDb, type HolidayReadContext } from "./holiday-calendar-shared.js";
+
+const HolidayCalendarCatalogInputSchema = z.object({
+  includeInactive: z.boolean().optional(),
+  countryCode: z.string().trim().min(1).optional(),
+  scopeType: z.enum(["COUNTRY", "STATE", "CITY"]).optional(),
+  stateCode: z.string().trim().min(1).optional(),
+  metroCity: z.string().trim().min(1).optional(),
+}).optional();
+
+function formatIsoDate(value: Date): string {
+  return value.toISOString().slice(0, 10);
+}
+
+function formatHolidayCalendarEntryDetail(entry: {
+  id: string;
+  date: Date;
+  name: string;
+  isRecurringAnnual?: boolean | null;
+  source?: string | null;
+}) {
+  return {
+    id: entry.id,
+    date: formatIsoDate(entry.date),
+    name: entry.name,
+    isRecurringAnnual: entry.isRecurringAnnual ?? false,
+    source: entry.source ?? null,
+  };
+}
+
+function formatHolidayCalendarDetail(calendar: {
+  id: string;
+  name: string;
+  scopeType: string;
+  stateCode?: string | null;
+  isActive?: boolean | null;
+  priority?: number | null;
+  country?: { id: string; code: string; name: string } | null;
+  metroCity?: { id: string; name: string } | null;
+  _count?: { entries?: number | null } | null;
+  entries?: Array<{
+    id: string;
+    date: Date;
+    name: string;
+    isRecurringAnnual?: boolean | null;
+    source?: string | null;
+  }> | null;
+}) {
+  const entries = calendar.entries?.map(formatHolidayCalendarEntryDetail) ?? [];
+
+  return {
+    id: calendar.id,
+    name: calendar.name,
+    scopeType: calendar.scopeType,
+    stateCode: calendar.stateCode ?? null,
+    isActive: calendar.isActive ?? true,
+    priority: calendar.priority ?? 0,
+    country: calendar.country
+      ? {
+          id: calendar.country.id,
+          code: calendar.country.code,
+          name: calendar.country.name,
+        }
+      : null,
+    metroCity: calendar.metroCity
+      ? {
+          id: calendar.metroCity.id,
+          name: calendar.metroCity.name,
+        }
+      : null,
+    entryCount: calendar._count?.entries ?? entries.length,
+    entries,
+  };
+}
+
+async function readCalendarsSnapshot(
+  ctx: HolidayReadContext,
+  input?: z.infer<typeof HolidayCalendarCatalogInputSchema>,
+) {
+  const db = asHolidayCalendarDb(ctx.db);
+  const where = {
+    ...(input?.includeInactive ? {} : { isActive: true }),
+    ...(input?.countryCode
+      ? {
+          country: { code: { equals: input.countryCode.trim().toUpperCase(), mode: "insensitive" as const } },
+        }
+      : {}),
+    ...(input?.scopeType ? { scopeType: input.scopeType } : {}),
+    ...(input?.stateCode ? { stateCode: input.stateCode.trim().toUpperCase() } : {}),
+    ...(input?.metroCity
+      ? {
+          metroCity: { name: { contains: input.metroCity.trim(), mode: "insensitive" as const } },
+        }
+      : {}),
+  };
+
+  return db.holidayCalendar.findMany({
+    where,
+    include: {
+      country: { select: { id: true, code: true, name: true } },
+      metroCity: { select: { id: true, name: true } },
+      _count: { select: { entries: true } },
+      entries: { orderBy: [{ date: "asc" }, { name: "asc" }] },
+    },
+    orderBy: [
+      { country: { name: "asc" } },
+      { scopeType: "asc" },
+      { priority: "desc" },
+      { name: "asc" },
+    ],
+  });
+}
+
+async function readCalendarByIdentifierSnapshot(ctx: HolidayReadContext, identifier: string) {
+  const db = asHolidayCalendarDb(ctx.db);
+  const trimmedIdentifier = identifier.trim();
+
+  let calendar = await db.holidayCalendar.findUnique({
+    where: { id: trimmedIdentifier },
+    include: {
+      country: { select: { id: true, code: true, name: true } },
+      metroCity: { select: { id: true, name: true } },
+      entries: { orderBy: [{ date: "asc" }, { name: "asc" }] },
+    },
+  });
+
+  if (!calendar) {
+    calendar = await db.holidayCalendar.findFirst({
+      where: { name: { equals: trimmedIdentifier, mode: "insensitive" } },
+      include: {
+        country: { select: { id: true, code: true, name: true } },
+        metroCity: { select: { id: true, name: true } },
+        entries: { orderBy: [{ date: "asc" }, { name: "asc" }] },
+      },
+    });
+  }
+
+  if (!calendar) {
+    calendar = await db.holidayCalendar.findFirst({
+      where: { name: { contains: trimmedIdentifier, mode: "insensitive" } },
+      include: {
+        country: { select: { id: true, code: true, name: true } },
+        metroCity: { select: { id: true, name: true } },
+        entries: { orderBy: [{ date: "asc" }, { name: "asc" }] },
+      },
+    });
+  }
+
+  if (!calendar) {
+    throw new TRPCError({ code: "NOT_FOUND", message: `Holiday calendar not found: ${trimmedIdentifier}` });
+  }
+
+  return calendar;
+}
+
+export const holidayCalendarCatalogReadProcedures = {
+  listCalendars: adminProcedure
+    .input(HolidayCalendarCatalogInputSchema)
+    .query(async ({ ctx, input }) => readCalendarsSnapshot(ctx, input)),
+
+  listCalendarsDetail: adminProcedure
+    .input(HolidayCalendarCatalogInputSchema)
+    .query(async ({ ctx, input }) => {
+      const calendars = await readCalendarsSnapshot(ctx, input);
+      return {
+        count: calendars.length,
+        calendars: calendars.map(formatHolidayCalendarDetail),
+      };
+    }),
+
+  getCalendarByIdentifier: adminProcedure
+    .input(z.object({ identifier: z.string().trim().min(1) }))
+    .query(async ({ ctx, input }) => readCalendarByIdentifierSnapshot(ctx, input.identifier)),
+
+  getCalendarByIdentifierDetail: adminProcedure
+    .input(z.object({ identifier: z.string().trim().min(1) }))
+    .query(async ({ ctx, input }) => {
+      const calendar = await readCalendarByIdentifierSnapshot(ctx, input.identifier);
+      return formatHolidayCalendarDetail(calendar);
+    }),
+
+  getCalendarById: adminProcedure
+    .input(z.object({ id: z.string() }))
+    .query(async ({ ctx, input }) => {
+      const db = asHolidayCalendarDb(ctx.db);
+
+      return findUniqueOrThrow(
+        db.holidayCalendar.findUnique({
+          where: { id: input.id },
+          include: {
+            country: { select: { id: true, code: true, name: true } },
+            metroCity: { select: { id: true, name: true } },
+            entries: { orderBy: [{ date: "asc" }, { name: "asc" }] },
+          },
+        }),
+        "Holiday calendar",
+      );
+    }),
+};
diff --git a/packages/api/src/router/holiday-calendar-shared.ts b/packages/api/src/router/holiday-calendar-shared.ts
new file mode 100644
index 0000000..d76ea39
--- /dev/null
+++ b/packages/api/src/router/holiday-calendar-shared.ts
@@ -0,0 +1,25 @@
+import type { TRPCContext } from "../trpc.js";
+
+export type HolidayReadContext = Pick<TRPCContext, "db" | "dbUser">;
+
+export type HolidayCalendarDb = TRPCContext["db"] & {
+  holidayCalendar: {
+    findFirst: (args: unknown) => Promise<{ id: string } | null>;
+    findMany: (args: unknown) => Promise<any[]>;
+    findUnique: (args: unknown) => Promise<any | null>;
+    create: (args: unknown) => Promise<any>;
+    update: (args: unknown) => Promise<any>;
+    delete: (args: unknown) => Promise<any>;
+  };
+  holidayCalendarEntry: {
+    findFirst: (args: unknown) => Promise<{ id: string } | null>;
+    findUnique: (args: unknown) => Promise<any | null>;
+    create: (args: unknown) => Promise<any>;
+    update: (args: unknown) => Promise<any>;
+    delete: (args: unknown) => Promise<any>;
+  };
+};
+
+export function asHolidayCalendarDb(db: TRPCContext["db"]): HolidayCalendarDb {
+  return db as unknown as HolidayCalendarDb;
+}
diff --git a/packages/api/src/router/holiday-calendar.ts b/packages/api/src/router/holiday-calendar.ts
index 89a1571..b732203 100644
--- a/packages/api/src/router/holiday-calendar.ts
+++ b/packages/api/src/router/holiday-calendar.ts
@@ -11,10 +11,11 @@ import { z } from "zod";
 import { findUniqueOrThrow } from "../db/helpers.js";
 import { createAuditEntry } from "../lib/audit.js";
 import { asHolidayResolverDb, getResolvedCalendarHolidays } from "../lib/holiday-availability.js";
-import { createTRPCRouter, adminProcedure, protectedProcedure, type TRPCContext } from "../trpc.js";
+import { createTRPCRouter, adminProcedure, protectedProcedure } from "../trpc.js";
+import { holidayCalendarCatalogReadProcedures } from "./holiday-calendar-catalog-read.js";
+import { asHolidayCalendarDb, type HolidayCalendarDb, type HolidayReadContext } from "./holiday-calendar-shared.js";
 
 type HolidayCalendarScope = HolidayCalendarScopeInput;
-type HolidayReadContext = Pick<TRPCContext, "db" | "dbUser">;
 
 const HOLIDAY_SCOPE = {
   COUNTRY: "COUNTRY",
@@ -22,28 +23,6 @@ const HOLIDAY_SCOPE = {
   CITY: "CITY",
 } as const satisfies Record<HolidayCalendarScope, HolidayCalendarScope>;
 
-type HolidayCalendarDb = TRPCContext["db"] & {
-  holidayCalendar: {
-    findFirst: (args: unknown) => Promise<{ id: string } | null>;
-    findMany: (args: unknown) => Promise<any[]>;
-    findUnique: (args: unknown) => Promise<any | null>;
-    create: (args: unknown) => Promise<any>;
-    update: (args: unknown) => Promise<any>;
-    delete: (args: unknown) => Promise<any>;
-  };
-  holidayCalendarEntry: {
-    findFirst: (args: unknown) => Promise<{ id: string } | null>;
-    findUnique: (args: unknown) => Promise<any | null>;
-    create: (args: unknown) => Promise<any>;
-    update: (args: unknown) => Promise<any>;
-    delete: (args: unknown) => Promise<any>;
-  };
-};
-
-function asHolidayCalendarDb(db: TRPCContext["db"]): HolidayCalendarDb {
-  return db as unknown as HolidayCalendarDb;
-}
-
 function clampDate(date: Date): Date {
   const value = new Date(date);
   value.setUTCHours(0, 0, 0, 0);
@@ -54,71 +33,6 @@ function fmtDate(value: Date | null | undefined): string | null {
   return value ? value.toISOString().slice(0, 10) : null;
 }
 
-function formatIsoDate(value: Date): string {
-  return value.toISOString().slice(0, 10);
-}
-
-function formatHolidayCalendarEntryDetail(entry: {
-  id: string;
-  date: Date;
-  name: string;
-  isRecurringAnnual?: boolean | null;
-  source?: string | null;
-}) {
-  return {
-    id: entry.id,
-    date: formatIsoDate(entry.date),
-    name: entry.name,
-    isRecurringAnnual: entry.isRecurringAnnual ?? false,
-    source: entry.source ?? null,
-  };
-}
-
-function formatHolidayCalendarDetail(calendar: {
-  id: string;
-  name: string;
-  scopeType: string;
-  stateCode?: string | null;
-  isActive?: boolean | null;
-  priority?: number | null;
-  country?: { id: string; code: string; name: string } | null;
-  metroCity?: { id: string; name: string } | null;
-  _count?: { entries?: number | null } | null;
-  entries?: Array<{
-    id: string;
-    date: Date;
-    name: string;
-    isRecurringAnnual?: boolean | null;
-    source?: string | null;
-  }> | null;
-}) {
-  const entries = calendar.entries?.map(formatHolidayCalendarEntryDetail) ?? [];
-
-  return {
-    id: calendar.id,
-    name: calendar.name,
-    scopeType: calendar.scopeType,
-    stateCode: calendar.stateCode ?? null,
-    isActive: calendar.isActive ?? true,
-    priority: calendar.priority ?? 0,
-    country: calendar.country
-      ? {
-          id: calendar.country.id,
-          code: calendar.country.code,
-          name: calendar.country.name,
-        }
-      : null,
-    metroCity: calendar.metroCity
-      ? {
-          id: calendar.metroCity.id,
-          name: calendar.metroCity.name,
-        }
-      : null,
-    entryCount: calendar._count?.entries ?? entries.length,
-    entries,
-  };
-}
-
 function canManageHolidayResourceReads(ctx: { dbUser: { systemRole: string } | null }): boolean {
   const role = ctx.dbUser?.systemRole;
   return role === "ADMIN" || role === "MANAGER";
@@ -243,92 +157,6 @@ const ResolveResourceHolidaysInputSchema = z.object({
   }
 });
 
-async function readCalendarsSnapshot(
-  ctx: HolidayReadContext,
-  input?: {
-    includeInactive?: boolean | undefined;
-    countryCode?: string | undefined;
-    scopeType?: "COUNTRY" | "STATE" | "CITY" | undefined;
-    stateCode?: string | undefined;
-    metroCity?: string | undefined;
-  },
-) {
-  const db = asHolidayCalendarDb(ctx.db);
-  const where = {
-    ...(input?.includeInactive ? {} : { isActive: true }),
-    ...(input?.countryCode
-      ? {
-          country: { code: { equals: input.countryCode.trim().toUpperCase(), mode: "insensitive" as const } },
-        }
-      : {}),
-    ...(input?.scopeType ? { scopeType: input.scopeType } : {}),
-    ...(input?.stateCode ? { stateCode: input.stateCode.trim().toUpperCase() } : {}),
-    ...(input?.metroCity
-      ? {
-          metroCity: { name: { contains: input.metroCity.trim(), mode: "insensitive" as const } },
-        }
-      : {}),
-  };
-
-  return db.holidayCalendar.findMany({
-    where,
-    include: {
-      country: { select: { id: true, code: true, name: true } },
-      metroCity: { select: { id: true, name: true } },
-      _count: { select: { entries: true } },
-      entries: { orderBy: [{ date: "asc" }, { name: "asc" }] },
-    },
-    orderBy: [
-      { country: { name: "asc" } },
-      { scopeType: "asc" },
-      { priority: "desc" },
-      { name: "asc" },
-    ],
-  });
-}
-
-async function readCalendarByIdentifierSnapshot(ctx: HolidayReadContext, identifier: string) {
-  const db = asHolidayCalendarDb(ctx.db);
-  const trimmedIdentifier = identifier.trim();
-
-  let calendar = await db.holidayCalendar.findUnique({
-    where: { id: trimmedIdentifier },
-    include: {
-      country: { select: { id: true, code: true, name: true } },
-      metroCity: { select: { id: true, name: true } },
-      entries: { orderBy: [{ date: "asc" }, { name: "asc" }] },
-    },
-  });
-
-  if (!calendar) {
-    calendar = await db.holidayCalendar.findFirst({
-      where: { name: { equals: trimmedIdentifier, mode: "insensitive" } },
-      include: {
-        country: { select: { id: true, code: true, name: true } },
-        metroCity: { select: { id: true, name: true } },
-        entries: { orderBy: [{ date: "asc" }, { name: "asc" }] },
-      },
-    });
-  }
-
-  if (!calendar) {
-    calendar = await db.holidayCalendar.findFirst({
-      where: { name: { contains: trimmedIdentifier, mode: "insensitive" } },
-      include: {
-        country: { select: { id: true, code: true, name: true } },
-        metroCity: { select: { id: true, name: true } },
-        entries: { orderBy: [{ date: "asc" }, { name: "asc" }] },
-      },
-    });
-  }
-
-  if (!calendar) {
-    throw new TRPCError({ code: "NOT_FOUND", message: `Holiday calendar not found: ${trimmedIdentifier}` });
-  }
-
-  return calendar;
-}
-
 async function readPreviewResolvedHolidaysSnapshot(
   ctx: HolidayReadContext,
   input: z.infer<typeof PreviewResolvedHolidaysSchema>,
@@ -589,60 +417,7 @@ async function assertScopeConsistency(
 }
 
 export const holidayCalendarRouter = createTRPCRouter({
-  listCalendars: adminProcedure
-    .input(z.object({
-      includeInactive: z.boolean().optional(),
-      countryCode: z.string().trim().min(1).optional(),
-      scopeType: z.enum(["COUNTRY", "STATE", "CITY"]).optional(),
-      stateCode: z.string().trim().min(1).optional(),
-      metroCity: z.string().trim().min(1).optional(),
-    }).optional())
-    .query(async ({ ctx, input }) => readCalendarsSnapshot(ctx, input)),
-
-  listCalendarsDetail: adminProcedure
-    .input(z.object({
-      includeInactive: z.boolean().optional(),
-      countryCode: z.string().trim().min(1).optional(),
-      scopeType: z.enum(["COUNTRY", "STATE", "CITY"]).optional(),
-      stateCode: z.string().trim().min(1).optional(),
-      metroCity: z.string().trim().min(1).optional(),
-    }).optional())
-    .query(async ({ ctx, input }) => {
-      const calendars = await readCalendarsSnapshot(ctx, input);
-      return {
-        count: calendars.length,
-        calendars: calendars.map(formatHolidayCalendarDetail),
-      };
-    }),
-
-  getCalendarByIdentifier: adminProcedure
-    .input(z.object({ identifier: z.string().trim().min(1) }))
-    .query(async ({ ctx, input }) => readCalendarByIdentifierSnapshot(ctx, input.identifier)),
-
-  getCalendarByIdentifierDetail: adminProcedure
-    .input(z.object({ identifier: z.string().trim().min(1) }))
-    .query(async ({ ctx, input }) => {
-      const calendar = await readCalendarByIdentifierSnapshot(ctx, input.identifier);
-      return formatHolidayCalendarDetail(calendar);
-    }),
-
-  getCalendarById: adminProcedure
-    .input(z.object({ id: z.string() }))
-    .query(async ({ ctx, input }) => {
-      const db = asHolidayCalendarDb(ctx.db);
-
-      return findUniqueOrThrow(
-        db.holidayCalendar.findUnique({
-          where: { id: input.id },
-          include: {
-            country: { select: { id: true, code: true, name: true } },
-            metroCity: { select: { id: true, name: true } },
-            entries: { orderBy: [{ date: "asc" }, { name: "asc" }] },
-          },
-        }),
-        "Holiday calendar",
-      );
-    }),
+  ...holidayCalendarCatalogReadProcedures,
 
   createCalendar: adminProcedure
     .input(CreateHolidayCalendarSchema)