diff --git a/sql/reports/payment/member-payment-accrual.sql b/sql/reports/payment/member-payment-accrual.sql
index f3ec48d..41f2298 100644
--- a/sql/reports/payment/member-payment-accrual.sql
+++ b/sql/reports/payment/member-payment-accrual.sql
@@ -1,7 +1,7 @@
 WITH provided_dates AS (
   SELECT
-    NULLIF($1, '')::timestamptz AS start_date,
-    NULLIF($2, '')::timestamptz AS end_date
+    NULLIF($1, '')::date AS start_date,
+    NULLIF($2, '')::date AS end_date
 ),
 params AS (
   SELECT
@@ -50,9 +50,7 @@ recent_payments AS (
   JOIN params pr ON TRUE
   WHERE w.type = 'PAYMENT'
     AND p.created_at >= pr.start_date
-    AND p.created_at < (
-      DATE_TRUNC('day', pr.end_date) + INTERVAL '1 day'
-    )
+    AND p.created_at < (pr.end_date + INTERVAL '1 day')
 ),
 categorized_payments AS (
   SELECT
diff --git a/sql/reports/sfdc/ba-fees-monthly.sql b/sql/reports/sfdc/ba-fees-monthly.sql
index 7501ac9..245a3d9 100644
--- a/sql/reports/sfdc/ba-fees-monthly.sql
+++ b/sql/reports/sfdc/ba-fees-monthly.sql
@@ -20,8 +20,18 @@ WITH filtered_payments AS (
   LEFT JOIN finance.winnings w
     ON w.winning_id = p.winnings_id
   WHERE
-    ($1::timestamptz IS NULL OR p.created_at >= $1::timestamptz)
-    AND ($2::timestamptz IS NULL OR p.created_at < (DATE_TRUNC('day', $2::timestamptz) + INTERVAL '1 day'))
+    (
+      $1::date IS NULL
+      OR p.created_at >= (
+        ($1::date::timestamp AT TIME ZONE 'America/New_York') AT TIME ZONE 'UTC'
+      )
+    )
+    AND (
+      $2::date IS NULL
+      OR p.created_at < (
+        (($2::date + 1)::timestamp AT TIME ZONE 'America/New_York') AT TIME ZONE 'UTC'
+      )
+    )
     AND ($3::text[] IS NULL OR p.billing_account = ANY($3::text[]))
     AND ($4::text[] IS NULL OR p.billing_account != ALL($4::text[]))
 ),
@@ -34,17 +44,17 @@ latest_status AS (
 )
 SELECT
   fp.billing_account AS "billingAccountId",
-  TO_CHAR(DATE_TRUNC('month', fp.created_at AT TIME ZONE 'America/New_York'), 'YYYY-MM') AS "month",
+  TO_CHAR(DATE_TRUNC('month', fp.created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/New_York'), 'YYYY-MM') AS "month",
   COALESCE(SUM(fp.challenge_fee), 0) AS "totalFees",
   COALESCE(SUM(fp.total_amount), 0) AS "totalMemberPayments",
   COUNT(fp.payment_id) AS "paymentCount",
-  MIN(fp.created_at AT TIME ZONE 'America/New_York')::date AS "earliestPaymentDate",
-  MAX(fp.created_at AT TIME ZONE 'America/New_York')::date AS "latestPaymentDate",
+  MIN(fp.created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/New_York')::date AS "earliestPaymentDate",
+  MAX(fp.created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/New_York')::date AS "latestPaymentDate",
   ls.payment_status_desc AS "currentPaymentStatus"
 FROM filtered_payments fp
 LEFT JOIN latest_status ls ON ls.billing_account = fp.billing_account
 GROUP BY
   fp.billing_account,
-  DATE_TRUNC('month', fp.created_at AT TIME ZONE 'America/New_York'),
+  DATE_TRUNC('month', fp.created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/New_York'),
   ls.payment_status_desc
 ORDER BY fp.billing_account, "month" DESC;
diff --git a/sql/reports/sfdc/ba-fees.sql b/sql/reports/sfdc/ba-fees.sql
index 5ad9f28..644ce38 100644
--- a/sql/reports/sfdc/ba-fees.sql
+++ b/sql/reports/sfdc/ba-fees.sql
@@ -19,8 +19,18 @@ WITH filtered_payments AS (
   LEFT JOIN finance.winnings w
     ON w.winning_id = p.winnings_id
   WHERE
-    ($1::timestamptz IS NULL OR p.created_at >= $1::timestamptz)
-    AND ($2::timestamptz IS NULL OR p.created_at < (DATE_TRUNC('day', $2::timestamptz) + INTERVAL '1 day'))
+    (
+      $1::date IS NULL
+      OR p.created_at >= (
+        ($1::date::timestamp AT TIME ZONE 'America/New_York') AT TIME ZONE 'UTC'
+      )
+    )
+    AND (
+      $2::date IS NULL
+      OR p.created_at < (
+        (($2::date + 1)::timestamp AT TIME ZONE 'America/New_York') AT TIME ZONE 'UTC'
+      )
+    )
     AND ($3::text[] IS NULL OR p.billing_account = ANY($3::text[]))
     AND ($4::text[] IS NULL OR p.billing_account != ALL($4::text[]))
 ),
diff --git a/sql/reports/sfdc/payments.sql b/sql/reports/sfdc/payments.sql
index bf463c9..3f483ff 100644
--- a/sql/reports/sfdc/payments.sql
+++ b/sql/reports/sfdc/payments.sql
@@ -44,7 +44,13 @@ WITH resolved_payment_references AS (
 )
 SELECT 
     payment_id as "paymentId",
-    created_at AT TIME ZONE 'America/New_York' as "paymentDate",
+    TO_CHAR(
+        created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/New_York',
+        'YYYY-MM-DD"T"HH24:MI:SS.MS'
+    ) || TO_CHAR(
+        (created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/New_York') - created_at,
+        'HH24:MI'
+    ) as "paymentDate",
     billing_account as "billingAccountId",
     payment_status as "paymentStatus",
     challenge_fee as "challengeFee",
@@ -73,8 +79,16 @@ WHERE
         WHERE m2.handle = ANY($5::text[])
     ))
     AND ($6::text IS NULL OR challenge_name ILIKE '%' || $6 || '%')
-    AND created_at >= COALESCE($7::timestamptz, (NOW() AT TIME ZONE 'UTC') - INTERVAL '45 days')
-    AND ($8::timestamptz IS NULL OR created_at < (DATE_TRUNC('day', $8::timestamptz) + INTERVAL '1 day'))
+    AND created_at >= COALESCE(
+        ($7::date::timestamp AT TIME ZONE 'America/New_York') AT TIME ZONE 'UTC',
+        (NOW() AT TIME ZONE 'UTC') - INTERVAL '45 days'
+    )
+    AND (
+        $8::date IS NULL
+        OR created_at < (
+            (($8::date + 1)::timestamp AT TIME ZONE 'America/New_York') AT TIME ZONE 'UTC'
+        )
+    )
     AND ($9::numeric IS NULL OR total_amount >= $9::numeric)
     AND ($10::numeric IS NULL OR total_amount <= $10::numeric)
     AND ($11::text[] IS NULL OR reported_challenge_status::text = ANY($11::text[]))
diff --git a/src/reports/payment/dto/member-payment-accrual.dto.ts b/src/reports/payment/dto/member-payment-accrual.dto.ts
index e96736a..897e3b3 100644
--- a/src/reports/payment/dto/member-payment-accrual.dto.ts
+++ b/src/reports/payment/dto/member-payment-accrual.dto.ts
@@ -4,8 +4,8 @@ import { IsDateString, IsOptional } from "class-validator";
 export class MemberPaymentAccrualQueryDto {
   @ApiPropertyOptional({
     description:
-      "Start date (inclusive) for filtering payment creation date in ISO 8601 format",
-    example: "2024-01-01T00:00:00.000Z",
+      "Start date (inclusive) for filtering payment creation date in YYYY-MM-DD format. For accepted ISO timestamps, only the written calendar-date portion is used",
+    example: "2024-01-01",
   })
   @IsOptional()
   @IsDateString()
@@ -13,7 +13,7 @@ export class MemberPaymentAccrualQueryDto {
 
   @ApiPropertyOptional({
     description:
-      "End date (inclusive through the full calendar day) for filtering payment creation date in ISO 8601 format",
+      "End date (inclusive through the full calendar day) for filtering payment creation date in YYYY-MM-DD format. For accepted ISO timestamps, only the written calendar-date portion is used",
     example: "2024-01-31",
   })
   @IsOptional()
diff --git a/src/reports/payment/payment-reports.service.spec.ts b/src/reports/payment/payment-reports.service.spec.ts
index b5a2e16..dfe4f03 100644
--- a/src/reports/payment/payment-reports.service.spec.ts
+++ b/src/reports/payment/payment-reports.service.spec.ts
@@ -78,10 +78,11 @@ describe("PaymentReportsService", () => {
       "reports/payment/member-payment-accrual.sql",
     );
 
+    expect(paymentSql).toContain("NULLIF($1, '')::date AS start_date");
+    expect(paymentSql).toContain("NULLIF($2, '')::date AS end_date");
     expect(paymentSql).toContain("p.created_at >= pr.start_date");
-    expect(paymentSql).toContain(
-      "DATE_TRUNC('day', pr.end_date) + INTERVAL '1 day'",
-    );
+    expect(paymentSql).toContain("pr.end_date + INTERVAL '1 day'");
     expect(paymentSql).not.toContain("p.created_at <= pr.end_date");
+    expect(paymentSql).not.toContain("DATE_TRUNC('day', pr.end_date)");
   });
 });
diff --git a/src/reports/report-directory.data.spec.ts b/src/reports/report-directory.data.spec.ts
index 3c75ab3..f233bd3 100644
--- a/src/reports/report-directory.data.spec.ts
+++ b/src/reports/report-directory.data.spec.ts
@@ -19,6 +19,17 @@ describe("getAccessibleReportsDirectory", () => {
       "/payment/member-payment-accrual-task",
       "/payment/member-payment-accrual-challenge",
     ]);
+    expect(
+      directory.sfdc?.reports
+        .find((report) => report.path === "/sfdc/payments")
+        ?.parameters?.find((parameter) => parameter.name === "endDate")
+        ?.description,
+    ).toContain("America/New_York");
+    expect(
+      directory.payment?.reports[0].parameters?.find(
+        (parameter) => parameter.name === "endDate",
+      )?.description,
+    ).toContain("Inclusive full calendar end date");
     expect(directory.statistics?.reports.map((report) => report.path)).toEqual(
       expect.arrayContaining([
         "/statistics/general/country-member-details",
diff --git a/src/reports/report-directory.data.ts b/src/reports/report-directory.data.ts
index b39b712..8a095e3 100644
--- a/src/reports/report-directory.data.ts
+++ b/src/reports/report-directory.data.ts
@@ -231,6 +231,28 @@ const paymentsEndDateParam: ReportParameter = {
   location: "query",
 };
 
+const paymentAccrualStartDateParam: ReportParameter = {
+  ...paymentsStartDateParam,
+  description: "Inclusive calendar start date in YYYY-MM-DD format",
+};
+
+const paymentAccrualEndDateParam: ReportParameter = {
+  ...paymentsEndDateParam,
+  description: "Inclusive full calendar end date in YYYY-MM-DD format",
+};
+
+const sfdcPaymentsStartDateParam: ReportParameter = {
+  ...paymentsStartDateParam,
+  description:
+    "Inclusive America/New_York calendar start date in YYYY-MM-DD format",
+};
+
+const sfdcPaymentsEndDateParam: ReportParameter = {
+  ...paymentsEndDateParam,
+  description:
+    "Inclusive full America/New_York calendar end date in YYYY-MM-DD format",
+};
+
 const challengeNameParam: ReportParameter = {
   name: "challengeName",
   type: "string",
@@ -294,8 +316,8 @@ const paymentsFilters = [
   challengeNameParam,
   challengeIdsParam,
   engagementIdsParam,
-  paymentsStartDateParam,
-  paymentsEndDateParam,
+  sfdcPaymentsStartDateParam,
+  sfdcPaymentsEndDateParam,
   handlesParam,
   minPaymentParam,
   maxPaymentParam,
@@ -306,14 +328,16 @@ const baFeesDateParams: ReportParameter[] = [
   {
     name: "startDate",
     type: "date",
-    description: "Start date for the report query in ISO format",
+    description:
+      "Inclusive America/New_York calendar start date in YYYY-MM-DD format",
     location: "query",
     required: true,
   },
   {
     name: "endDate",
     type: "date",
-    description: "End date for the report query in ISO format",
+    description:
+      "Inclusive full America/New_York calendar end date in YYYY-MM-DD format",
     location: "query",
   },
 ];
@@ -837,37 +861,37 @@ const REGISTERED_REPORTS_DIRECTORY: RegisteredReportsDirectory = {
         "Member Payment Accrual",
         "/payment/member-payment-accrual",
         "Member payment accruals for the provided date range (defaults to last 3 months)",
-        [paymentsStartDateParam, paymentsEndDateParam],
+        [paymentAccrualStartDateParam, paymentAccrualEndDateParam],
       ),
       adminOnlyTopcoderReport(
         "Member Payment Accrual-TaaS",
         "/payment/member-payment-accrual-taas",
         "Member payment accruals for TaaS payments for the provided date range (defaults to last 3 months)",
-        [paymentsStartDateParam, paymentsEndDateParam],
+        [paymentAccrualStartDateParam, paymentAccrualEndDateParam],
       ),
       adminOnlyTopcoderReport(
         "Member Payment Accrual-Topgear",
         "/payment/member-payment-accrual-topgear",
         "Member payment accruals for Topgear payments for the provided date range (defaults to last 3 months)",
-        [paymentsStartDateParam, paymentsEndDateParam],
+        [paymentAccrualStartDateParam, paymentAccrualEndDateParam],
       ),
       adminOnlyTopcoderReport(
         "Member Payment Accrual-Engagement",
         "/payment/member-payment-accrual-engagement",
         "Member payment accruals for engagement payments for the provided date range (defaults to last 3 months)",
-        [paymentsStartDateParam, paymentsEndDateParam],
+        [paymentAccrualStartDateParam, paymentAccrualEndDateParam],
       ),
       adminOnlyTopcoderReport(
         "Member Payment Accrual-Task",
         "/payment/member-payment-accrual-task",
         "Member payment accruals for task payments for the provided date range (defaults to last 3 months)",
-        [paymentsStartDateParam, paymentsEndDateParam],
+        [paymentAccrualStartDateParam, paymentAccrualEndDateParam],
       ),
       adminOnlyTopcoderReport(
         "Member Payment Accrual-Challenge",
         "/payment/member-payment-accrual-challenge",
         "Member payment accruals for challenge payments (contest, review board, copilot, checkpoint, and related challenge payouts) for the provided date range (defaults to last 3 months)",
-        [paymentsStartDateParam, paymentsEndDateParam],
+        [paymentAccrualStartDateParam, paymentAccrualEndDateParam],
       ),
     ],
   },
diff --git a/src/reports/sfdc/sfdc-reports.dto.ts b/src/reports/sfdc/sfdc-reports.dto.ts
index 20a8ae8..7f3d4db 100644
--- a/src/reports/sfdc/sfdc-reports.dto.ts
+++ b/src/reports/sfdc/sfdc-reports.dto.ts
@@ -241,8 +241,9 @@ export class PaymentsReportQueryDto {
 
   @ApiProperty({
     required: false,
-    description: "Start date for the report query in ISO 8601 format",
-    example: "2023-01-01T00:00:00.000Z",
+    description:
+      "Start date (inclusive from the start of the America/New_York calendar day) for the report query in YYYY-MM-DD format. For accepted ISO timestamps, only the written calendar-date portion is used",
+    example: "2023-01-01",
   })
   @IsOptional()
   @IsDateString()
@@ -251,7 +252,7 @@ export class PaymentsReportQueryDto {
   @ApiProperty({
     required: false,
     description:
-      "End date (inclusive through the full calendar day) for the report query in ISO 8601 format",
+      "End date (inclusive through the full America/New_York calendar day) for the report query in YYYY-MM-DD format. For accepted ISO timestamps, only the written calendar-date portion is used",
     example: "2023-01-31",
   })
   @IsOptional()
@@ -332,6 +333,11 @@ export class PaymentsReportResponse {
     description: "Winnings category from finance.winnings.category",
   })
   category: string;
+  @ApiProperty({
+    description:
+      "Payment creation timestamp in America/New_York with its UTC offset",
+    example: "2026-07-31T18:53:33.383-04:00",
+  })
   paymentDate: string;
   paymentId: string;
   paymentStatus: string;
@@ -854,8 +860,8 @@ export class BaFeesReportQueryDto {
   @ApiProperty({
     required: false,
     description:
-      "Start date for the report query in ISO 8601 format (inclusive). If omitted the report uses an open-ended lower bound.",
-    example: "2023-01-01T00:00:00.000Z",
+      "Start date (inclusive from the start of the America/New_York calendar day) for the report query in YYYY-MM-DD format. For accepted ISO timestamps, only the written calendar-date portion is used. If omitted the report uses an open-ended lower bound.",
+    example: "2023-01-01",
   })
   @IsOptional()
   @IsDateString()
@@ -864,7 +870,7 @@ export class BaFeesReportQueryDto {
   @ApiProperty({
     required: false,
     description:
-      "End date (inclusive through the full calendar day) for the report query in ISO 8601 format",
+      "End date (inclusive through the full America/New_York calendar day) for the report query in YYYY-MM-DD format. For accepted ISO timestamps, only the written calendar-date portion is used",
     example: "2023-01-31",
   })
   @IsOptional()
diff --git a/src/reports/sfdc/sfdc-reports.service.spec.ts b/src/reports/sfdc/sfdc-reports.service.spec.ts
index f9d41ca..2b3fccb 100644
--- a/src/reports/sfdc/sfdc-reports.service.spec.ts
+++ b/src/reports/sfdc/sfdc-reports.service.spec.ts
@@ -331,16 +331,35 @@ describe("SfdcReportsService - getPaymentsReport", () => {
     );
   });
 
-  it("uses the full inclusive end date in the payments SQL", () => {
+  it("uses inclusive New York calendar date bounds in the payments SQL", () => {
     const paymentsSql = readFileSync(
       join(__dirname, "../../../sql/reports/sfdc/payments.sql"),
       "utf8",
     );
 
     expect(paymentsSql).toContain(
-      "DATE_TRUNC('day', $8::timestamptz) + INTERVAL '1 day'",
+      "($7::date::timestamp AT TIME ZONE 'America/New_York') AT TIME ZONE 'UTC'",
+    );
+    expect(paymentsSql).toContain(
+      "(($8::date + 1)::timestamp AT TIME ZONE 'America/New_York') AT TIME ZONE 'UTC'",
     );
     expect(paymentsSql).not.toContain("created_at <= $8::timestamptz");
+    expect(paymentsSql).not.toContain("DATE_TRUNC('day', $8::timestamptz)");
+  });
+
+  it("returns offset-bearing New York payment timestamps", () => {
+    const paymentsSql = readFileSync(
+      join(__dirname, "../../../sql/reports/sfdc/payments.sql"),
+      "utf8",
+    );
+
+    expect(paymentsSql).toContain(
+      "created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/New_York',",
+    );
+    expect(paymentsSql).toContain(
+      "(created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/New_York') - created_at",
+    );
+    expect(paymentsSql).toContain(`'YYYY-MM-DD"T"HH24:MI:SS.MS'`);
   });
 
   it("returns mixed challenge, engagement, and unresolved challenge payments successfully", async () => {
@@ -1121,7 +1140,7 @@ describe("SfdcReportsService - getBaFeesReport", () => {
   });
 
   it.each(["ba-fees.sql", "ba-fees-monthly.sql"])(
-    "uses the full inclusive end date in %s",
+    "uses inclusive New York calendar date bounds in %s",
     (fileName) => {
       const baFeesSql = readFileSync(
         join(__dirname, `../../../sql/reports/sfdc/${fileName}`),
@@ -1129,12 +1148,34 @@ describe("SfdcReportsService - getBaFeesReport", () => {
       );
 
       expect(baFeesSql).toContain(
-        "DATE_TRUNC('day', $2::timestamptz) + INTERVAL '1 day'",
+        "($1::date::timestamp AT TIME ZONE 'America/New_York') AT TIME ZONE 'UTC'",
+      );
+      expect(baFeesSql).toContain(
+        "(($2::date + 1)::timestamp AT TIME ZONE 'America/New_York') AT TIME ZONE 'UTC'",
       );
       expect(baFeesSql).not.toContain("p.created_at <= $2::timestamptz");
+      expect(baFeesSql).not.toContain("DATE_TRUNC('day', $2::timestamptz)");
     },
   );
 
+  it("uses New York calendar dates for monthly BA fee buckets", () => {
+    const baFeesSql = readFileSync(
+      join(__dirname, "../../../sql/reports/sfdc/ba-fees-monthly.sql"),
+      "utf8",
+    );
+    const newYorkPaymentTimestamp =
+      "fp.created_at AT TIME ZONE 'UTC' AT TIME ZONE 'America/New_York'";
+
+    expect(baFeesSql).toContain(
+      `DATE_TRUNC('month', ${newYorkPaymentTimestamp})`,
+    );
+    expect(baFeesSql).toContain(`MIN(${newYorkPaymentTimestamp})::date`);
+    expect(baFeesSql).toContain(`MAX(${newYorkPaymentTimestamp})::date`);
+    expect(baFeesSql).not.toContain(
+      "fp.created_at AT TIME ZONE 'America/New_York'",
+    );
+  });
+
   it("runs a basic query successfully", async () => {
     const result = await service.getBaFeesReport(
       mockBaFeesQueryDto.byBillingAccount,