diff --git a/docs/modules/quoteSummary.md b/docs/modules/quoteSummary.md
index eae2283e..a1eaad7e 100644
--- a/docs/modules/quoteSummary.md
+++ b/docs/modules/quoteSummary.md
@@ -398,9 +398,9 @@ await yahooFinance.quoteSummary('PLTR', { modules: [ "defaultKeyStatistics" ] })
     "floatShares": 1513962964,
     "sharesOutstanding": 1805229952,
     "sharesShort": 58395451,
-    "sharesShortPriorMonth": 68132010,
-    "sharesShortPreviousMonthDate": 1625011200,
-    "dateShortInterest": 1627603200,
+    "sharesShortPriorMonth": new Date("1972-02-28T13:33:30.000Z"),
+    "sharesShortPreviousMonthDate": new Date("2021-06-30T00:00:00.000Z"),
+    "dateShortInterest": new Date("2021-07-30T00:00:00.000Z"),
     "sharesPercentSharesOut": 0.0311,
     "heldPercentInsiders": 0.12776,
     "heldPercentInstitutions": 0.25067,
@@ -412,9 +412,9 @@ await yahooFinance.quoteSummary('PLTR', { modules: [ "defaultKeyStatistics" ] })
     "priceToBook": 23.314608,
     "fundFamily": null,
     "legalType": null,
-    "lastFiscalYearEnd": 1609372800,
-    "nextFiscalYearEnd": 1672444800,
-    "mostRecentQuarter": 1625011200,
+    "lastFiscalYearEnd": new Date("2020-12-31T00:00:00.000Z"),
+    "nextFiscalYearEnd": new Date("2022-12-31T00:00:00.000Z"),
+    "mostRecentQuarter": new Date("2021-06-30T00:00:00.000Z"),
     "netIncomeToCommon": -1263715968,
     "trailingEps": -0.79,
     "pegRatio": 3.58,
@@ -485,13 +485,13 @@ await yahooFinance.quoteSummary('MSFT', { modules: [ "earningsHistory" ] });
   earningsHistory: {
     history: [
       {
-        maxAge: 1,
-        epsActual: 1.4,
-        epsEstimate: 1.26,
-        epsDifference: 0.14,
-        surprisePercent: 0.111,
-        quarter: 1585612800,
-        period: '-4q' // "-3q", "-2q", "-1q"
+        "maxAge": 1,
+        "epsActual": 10.3,
+        "epsEstimate": 1.46,
+        "epsDifference": 8.84,
+        "surprisePercent": 6.055,
+        "quarter": new Date("2020-06-30T00:00:00.000Z"),
+        "period": "-4q" // "-3q", "-2q", "-1q"
       },
       /* ... */
     ],
@@ -880,7 +880,7 @@ await yahooFinance.quoteSummary('PLTR', { modules: [ "insiderHolders" ] });
         "transactionDescription": "Sale",
         "latestTransDate": new Date("2021-07-23T00:00:00.000Z"),
         "positionDirect": 6432260,
-        "positionDirectDate": 1626998400
+        "positionDirectDate": new Date("2021-07-23T00:00:00.000Z")
       },
       /* ... */
     ],
diff --git a/schema.json b/schema.json
index 65b7ccb3..7459bcd1 100644
--- a/schema.json
+++ b/schema.json
@@ -3973,13 +3973,13 @@
           "yahooFinanceType": "number"
         },
         "sharesShortPriorMonth": {
-          "yahooFinanceType": "number"
+          "yahooFinanceType": "date"
         },
         "sharesShortPreviousMonthDate": {
-          "yahooFinanceType": "number"
+          "yahooFinanceType": "date"
         },
         "dateShortInterest": {
-          "yahooFinanceType": "number"
+          "yahooFinanceType": "date"
         },
         "sharesPercentSharesOut": {
           "yahooFinanceType": "number"
@@ -4027,13 +4027,13 @@
           ]
         },
         "lastFiscalYearEnd": {
-          "yahooFinanceType": "number"
+          "yahooFinanceType": "date"
         },
         "nextFiscalYearEnd": {
-          "yahooFinanceType": "number"
+          "yahooFinanceType": "date"
         },
         "mostRecentQuarter": {
-          "yahooFinanceType": "number"
+          "yahooFinanceType": "date"
         },
         "earningsQuarterlyGrowth": {
           "yahooFinanceType": "number"
@@ -4075,7 +4075,7 @@
           "yahooFinanceType": "number"
         },
         "lastDividendDate": {
-          "yahooFinanceType": "number"
+          "yahooFinanceType": "date"
         },
         "ytdReturn": {
           "yahooFinanceType": "number"
@@ -4298,7 +4298,14 @@
           "yahooFinanceType": "number|null"
         },
         "quarter": {
-          "yahooFinanceType": "number|null"
+          "anyOf": [
+            {
+              "yahooFinanceType": "date"
+            },
+            {
+              "type": "null"
+            }
+          ]
         },
         "period": {
           "type": "string"
@@ -5341,13 +5348,13 @@
           "yahooFinanceType": "number"
         },
         "positionDirectDate": {
-          "yahooFinanceType": "number"
+          "yahooFinanceType": "date"
         },
         "positionIndirect": {
           "yahooFinanceType": "number"
         },
         "positionIndirectDate": {
-          "yahooFinanceType": "number"
+          "yahooFinanceType": "date"
         },
         "positionSummaryDate": {
           "yahooFinanceType": "date"
diff --git a/src/modules/quoteSummary-iface.ts b/src/modules/quoteSummary-iface.ts
index 424429ae..abf9e9c8 100644
--- a/src/modules/quoteSummary-iface.ts
+++ b/src/modules/quoteSummary-iface.ts
@@ -184,9 +184,9 @@ export interface DefaultKeyStatistics {
   floatShares?: number;
   sharesOutstanding?: number;
   sharesShort?: number;
-  sharesShortPriorMonth?: number;
-  sharesShortPreviousMonthDate?: number;
-  dateShortInterest?: number;
+  sharesShortPriorMonth?: Date;
+  sharesShortPreviousMonthDate?: Date;
+  dateShortInterest?: Date;
   sharesPercentSharesOut?: number;
   heldPercentInsiders?: number;
   heldPercentInstitutions?: number;
@@ -199,9 +199,9 @@ export interface DefaultKeyStatistics {
   priceToBook?: number;
   fundFamily: null | string;
   legalType: null | string;
-  lastFiscalYearEnd?: number;
-  nextFiscalYearEnd?: number;
-  mostRecentQuarter?: number;
+  lastFiscalYearEnd?: Date;
+  nextFiscalYearEnd?: Date;
+  mostRecentQuarter?: Date;
   earningsQuarterlyGrowth?: number;
   netIncomeToCommon?: number;
   trailingEps?: number;
@@ -214,7 +214,7 @@ export interface DefaultKeyStatistics {
   "52WeekChange"?: number;
   SandP52WeekChange?: number;
   lastDividendValue?: number;
-  lastDividendDate?: number;
+  lastDividendDate?: Date;
   ytdReturn?: number;
   beta3Year?: number;
   totalAssets?: number;
@@ -278,7 +278,7 @@ export interface EarningsHistoryHistory {
   epsEstimate: number | null;
   epsDifference: number | null;
   surprisePercent: number | null;
-  quarter: number | null;
+  quarter: Date | null;
   period: string;
 }
 
@@ -566,9 +566,9 @@ export interface Holder {
   transactionDescription: string;
   latestTransDate: Date;
   positionDirect?: number;
-  positionDirectDate?: number;
+  positionDirectDate?: Date;
   positionIndirect?: number;
-  positionIndirectDate?: number;
+  positionIndirectDate?: Date;
   positionSummaryDate?: Date;
 }