diff --git a/apps/edr-freight-api/src/modules/last-mile/dto/set-warehouse-gate-times.dto.ts b/apps/edr-freight-api/src/modules/last-mile/dto/set-warehouse-gate-times.dto.ts
new file mode 100644
index 000000000..ba980dfdc
--- /dev/null
+++ b/apps/edr-freight-api/src/modules/last-mile/dto/set-warehouse-gate-times.dto.ts
@@ -0,0 +1,22 @@
+import { Type } from 'class-transformer';
+import { IsArray, IsDateString, IsOptional, IsUUID, ValidateNested } from 'class-validator';
+
+export class TruckWarehouseGateTimeInput {
+  @IsUUID()
+  vehicleId!: string;
+
+  @IsOptional()
+  @IsDateString()
+  arrivedAt?: string | null;
+
+  @IsOptional()
+  @IsDateString()
+  departedAt?: string | null;
+}
+
+export class SetWarehouseGateTimesDto {
+  @IsArray()
+  @ValidateNested({ each: true })
+  @Type(() => TruckWarehouseGateTimeInput)
+  trucks!: TruckWarehouseGateTimeInput[];
+}
diff --git a/apps/edr-freight-api/src/modules/last-mile/last-mile.controller.ts b/apps/edr-freight-api/src/modules/last-mile/last-mile.controller.ts
index e8fa57cdc..d7e2ba1ff 100644
--- a/apps/edr-freight-api/src/modules/last-mile/last-mile.controller.ts
+++ b/apps/edr-freight-api/src/modules/last-mile/last-mile.controller.ts
@@ -24,6 +24,7 @@ import { CreateLastMileDto } from './dto/create-last-mile.dto';
 import { UpdateLastMileDto } from './dto/update-last-mile.dto';
 import { SetVehiclesDto } from './dto/set-vehicles.dto';
 import { SetDetentionTimesDto } from './dto/set-detention-times.dto';
+import { SetWarehouseGateTimesDto } from './dto/set-warehouse-gate-times.dto';
 import { SetDistancesDto } from './dto/set-distances.dto';
 import { RecordProofOfDeliveryDto } from './dto/record-proof-of-delivery.dto';
 import { LastMileStatus } from './entities/last-mile.entity';
@@ -144,6 +145,18 @@ export class LastMileController {
     return this.lastMileService.setDetentionTimes(id, dto.trucks);
   }
 
+  @Post(':id/warehouse-gate-times')
+  @BookingStaff(FREIGHT_PERMS.lastMile.update)
+  @ApiOperation({
+    summary: 'Set each truck\'s warehouse gate arrival/departure times',
+  })
+  async setWarehouseGateTimes(
+    @Param('id', ParseUUIDPipe) id: string,
+    @Body() dto: SetWarehouseGateTimesDto,
+  ) {
+    return this.lastMileService.setWarehouseGateTimes(id, dto.trucks);
+  }
+
   @Post(':id/proof-of-delivery')
   @BookingStaff(FREIGHT_PERMS.lastMile.update)
   @UseInterceptors(AnyFilesInterceptor())
diff --git a/apps/edr-freight-api/src/modules/last-mile/last-mile.service.ts b/apps/edr-freight-api/src/modules/last-mile/last-mile.service.ts
index 6db55b66d..af6c920fc 100644
--- a/apps/edr-freight-api/src/modules/last-mile/last-mile.service.ts
+++ b/apps/edr-freight-api/src/modules/last-mile/last-mile.service.ts
@@ -913,6 +913,41 @@ export class LastMileService {
     return this.findById(id);
   }
 
+  async setWarehouseGateTimes(
+    id: string,
+    trucks: Array<{
+      vehicleId: string;
+      arrivedAt?: string | null;
+      departedAt?: string | null;
+    }>,
+  ): Promise<LastMile> {
+    await this.findById(id);
+
+    const invoices = await this.billing.findBySourceIds('last_mile', [id]);
+    if (invoices.length) {
+      throw new BadRequestException(
+        'Warehouse gate times cannot be changed after the invoice is generated',
+      );
+    }
+
+    for (const t of trucks) {
+      const arrived = t.arrivedAt ? new Date(t.arrivedAt) : null;
+      const departed = t.departedAt ? new Date(t.departedAt) : null;
+      if (arrived && departed && departed.getTime() < arrived.getTime()) {
+        throw new BadRequestException(
+          'A truck cannot depart before it arrived — check the warehouse gate times',
+        );
+      }
+      await this.dataSource.manager.update(
+        LastMileVehicleAssignment,
+        { lastMileId: id, vehicleId: t.vehicleId },
+        { arrivedAt: arrived, departedAt: departed },
+      );
+    }
+
+    return this.findById(id);
+  }
+
   async setDistances(
     id: string,
     distances: Array<{ vehicleId: string; distanceKm: number }>,
diff --git a/apps/edr-freight-web/backoffice/src/components/operations/WarehouseGateTimesModal.tsx b/apps/edr-freight-web/backoffice/src/components/operations/WarehouseGateTimesModal.tsx
new file mode 100644
index 000000000..6ab317271
--- /dev/null
+++ b/apps/edr-freight-web/backoffice/src/components/operations/WarehouseGateTimesModal.tsx
@@ -0,0 +1,156 @@
+import {
+  Button,
+  Divider,
+  Group,
+  Modal,
+  Stack,
+  Table,
+  Text,
+} from '@mantine/core';
+import { DateTimePicker } from '@mantine/dates';
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+import { useEffect, useState } from 'react';
+
+import { useToast } from '@/hooks/use-toast';
+import { lastMileService, type LastMileRecord } from '@/services/last-mile.service';
+
+interface WarehouseGateTimesModalProps {
+  opened: boolean;
+  onClose: () => void;
+  record: LastMileRecord | null;
+}
+
+const plateOf = (a: NonNullable<LastMileRecord['vehicleAssignments']>[number]) =>
+  [a.vehicle?.code, a.vehicle?.plateNumber].filter(Boolean).join(' · ') || a.vehicleId;
+
+export function WarehouseGateTimesModal({ opened, onClose, record }: WarehouseGateTimesModalProps) {
+  const { toast } = useToast();
+  const qc = useQueryClient();
+  const id = record?.id ?? null;
+  const assignments = record?.vehicleAssignments ?? [];
+
+  interface TruckRow {
+    vehicleId: string;
+    label: string;
+    arrivedAt: Date | null;
+    departedAt: Date | null;
+  }
+
+  const [rows, setRows] = useState<Array<TruckRow>>([]);
+  const [saving, setSaving] = useState(false);
+
+  useEffect(() => {
+    if (assignments.length > 0) {
+      setRows(
+        assignments.map((a) => ({
+          vehicleId: a.vehicleId,
+          label: plateOf(a),
+          arrivedAt: a.arrivedAt ? new Date(a.arrivedAt) : null,
+          departedAt: a.departedAt ? new Date(a.departedAt) : null,
+        })),
+      );
+    }
+  }, [assignments, opened]);
+
+  const updateMutation = useMutation({
+    mutationFn: () => {
+      if (!id) return Promise.resolve(null);
+      return lastMileService.setWarehouseGateTimes(id, rows.map(r => ({
+        vehicleId: r.vehicleId,
+        arrivedAt: r.arrivedAt?.toISOString() ?? null,
+        departedAt: r.departedAt?.toISOString() ?? null,
+      })));
+    },
+    onSuccess: () => {
+      toast({
+        title: 'Warehouse gate times updated',
+      });
+      qc.invalidateQueries({ queryKey: ['last-mile-record-import-trucks', id] });
+      onClose();
+    },
+    onError: (error: any) => {
+      toast({
+        variant: 'destructive',
+        title: 'Failed to update warehouse gate times',
+        description: error?.response?.data?.message || error?.message,
+      });
+    },
+    onSettled: () => {
+      setSaving(false);
+    },
+  });
+
+  const handleSave = async () => {
+    setSaving(true);
+    await updateMutation.mutateAsync();
+  };
+
+  return (
+    <Modal opened={opened} onClose={onClose} title="Warehouse Gate Times" size="lg">
+      <Stack gap="md">
+        <Text size="sm" c="dimmed">
+          Set arrival (gate-in) and departure (gate-out) times for each truck.
+        </Text>
+
+        {/* @ts-ignore - DateTimePicker type inference issue with row state */}
+        <Table striped highlightOnHover>
+          <Table.Thead>
+            <Table.Tr>
+              <Table.Th>Plate</Table.Th>
+              <Table.Th>Arrived At (Gate-In)</Table.Th>
+              <Table.Th>Departed At (Gate-Out)</Table.Th>
+            </Table.Tr>
+          </Table.Thead>
+          <Table.Tbody>
+            {rows.map((row: TruckRow, idx: number) => (
+              <Table.Tr key={row.vehicleId}>
+                <Table.Td>
+                  <Text size="sm" fw={600}>
+                    {row.label}
+                  </Text>
+                </Table.Td>
+                <Table.Td>
+                  <DateTimePicker
+                    placeholder="Select arrival time"
+                    value={(row.arrivedAt as unknown) as Date | null}
+                    onChange={(date) => {
+                      const newRows = [...rows];
+                      newRows[idx] = { ...row, arrivedAt: date };
+                      setRows(newRows);
+                    }}
+                    clearable
+                    size="sm"
+                  />
+                </Table.Td>
+                <Table.Td>
+                  <DateTimePicker
+                    placeholder="Select departure time"
+                    value={(row.departedAt as unknown) as Date | null}
+                    onChange={(date) => {
+                      const newRows = [...rows];
+                      newRows[idx] = { ...row, departedAt: date };
+                      setRows(newRows);
+                    }}
+                    clearable
+                    size="sm"
+                  />
+                </Table.Td>
+              </Table.Tr>
+            ))}
+          </Table.Tbody>
+        </Table>
+
+        <Divider />
+
+        <Group justify="flex-end" gap="sm">
+          <Button variant="default" onClick={onClose} disabled={saving}>
+            Cancel
+          </Button>
+          <Button onClick={handleSave} loading={saving}>
+            Save Times
+          </Button>
+        </Group>
+      </Stack>
+    </Modal>
+  );
+}
diff --git a/apps/edr-freight-web/backoffice/src/pages/warehouses/ImportTrucksPage.tsx b/apps/edr-freight-web/backoffice/src/pages/warehouses/ImportTrucksPage.tsx
index 84d103003..1686d0106 100644
--- a/apps/edr-freight-web/backoffice/src/pages/warehouses/ImportTrucksPage.tsx
+++ b/apps/edr-freight-web/backoffice/src/pages/warehouses/ImportTrucksPage.tsx
@@ -26,6 +26,7 @@ import ListControls from "@/components/common/ListControls";
 import RuleEngineListFooter from "@/components/ruleEngine/RuleEngineListFooter";
 import { InspectionReportModal } from "@/components/warehouses/InspectionReportModal";
 import { TruckDetentionModal } from "@/components/operations/TruckDetentionModal";
+import { WarehouseGateTimesModal } from "@/components/operations/WarehouseGateTimesModal";
 import { extractDownloadErrorMessage, formatNumber } from "@/components/warehouses/options";
 import { openPdfBlob } from "@/components/warehouses/pdf";
 import { useListControls } from "@/hooks/useListControls";
@@ -119,6 +120,7 @@ function TruckRows({ group }: { group: BookingGroup }) {
   const [busy, setBusy] = useState(false);
   const [inspectId, setInspectId] = useState<string | null>(null);
   const [detentionOpen, setDetentionOpen] = useState(false);
+  const [gateTimesOpen, setGateTimesOpen] = useState(false);
 
   const edrQuery = useQuery({
     queryKey: ["booking-edr-trucks", group.bookingId],
@@ -366,6 +368,13 @@ function TruckRows({ group }: { group: BookingGroup }) {
                       >
                         Detention times…
                       </Menu.Item>
+                      <Menu.Item
+                        leftSection={<FileText size={14} />}
+                        disabled={!lastMileId}
+                        onClick={() => setGateTimesOpen(true)}
+                      >
+                        Warehouse gate times…
+                      </Menu.Item>
                     </>
                   )}
                 </Menu.Dropdown>
@@ -380,11 +389,18 @@ function TruckRows({ group }: { group: BookingGroup }) {
                     inventoryId={inspectId}
                   />
                   {isEdr && (
-                    <TruckDetentionModal
-                      opened={detentionOpen}
-                      onClose={() => setDetentionOpen(false)}
-                      record={lastMileRecordQuery.data ?? null}
-                    />
+                    <>
+                      <TruckDetentionModal
+                        opened={detentionOpen}
+                        onClose={() => setDetentionOpen(false)}
+                        record={lastMileRecordQuery.data ?? null}
+                      />
+                      <WarehouseGateTimesModal
+                        opened={gateTimesOpen}
+                        onClose={() => setGateTimesOpen(false)}
+                        record={lastMileRecordQuery.data ?? null}
+                      />
+                    </>
                   )}
                 </>
               )}
diff --git a/apps/edr-freight-web/backoffice/src/services/last-mile.service.ts b/apps/edr-freight-web/backoffice/src/services/last-mile.service.ts
index 91e95ef2f..4f7f2904a 100644
--- a/apps/edr-freight-web/backoffice/src/services/last-mile.service.ts
+++ b/apps/edr-freight-web/backoffice/src/services/last-mile.service.ts
@@ -155,4 +155,13 @@ export const lastMileService = {
       returnedAt?: string | null;
     }>,
   ) => api.post<LastMileRecord>(`${LM.BASE}/${id}/detention-times`, { trucks }),
+  /** Set warehouse gate arrival/departure times for each truck. */
+  setWarehouseGateTimes: (
+    id: string,
+    trucks: Array<{
+      vehicleId: string;
+      arrivedAt?: string | null;
+      departedAt?: string | null;
+    }>,
+  ) => api.post<LastMileRecord>(`${LM.BASE}/${id}/warehouse-gate-times`, { trucks }),
 };