diff --git a/packages/cli/src/modules/insights/database/repositories/__tests__/insights-by-period.repository.test.ts b/packages/cli/src/modules/insights/database/repositories/__tests__/insights-by-period.repository.test.ts
index 70d535da51..d5f5a183bc 100644
--- a/packages/cli/src/modules/insights/database/repositories/__tests__/insights-by-period.repository.test.ts
+++ b/packages/cli/src/modules/insights/database/repositories/__tests__/insights-by-period.repository.test.ts
@@ -14,6 +14,52 @@ describe('InsightsByPeriodRepository', () => {
 		await testDb.init();
 	});
 
+	describe('getInsightsByTime', () => {
+		test.each([
+			'2023-10-01T00:00:00Z',
+			'2023-10-01T00:00:00.000Z',
+			'2023-10-01T00:00:00+00:00',
+			'2023-10-01T00:00:00.000+00:00',
+			'2023-10-01 00:00:00',
+			'2023-10-01 00:00:00.000',
+			'2023-10-01 00:00:00+00',
+			'2023-10-01 00:00:00-02',
+			'2023-10-01 00:00:00-00',
+		])(
+			'should parse correctly valid date %s when calling insights by time',
+			async (periodStart) => {
+				// ARRANGE
+				const insightsByPeriodRepository = Container.get(InsightsByPeriodRepository);
+
+				// Mock the manager.queryBuilder.getRawMany to return a mocked value
+				const mockResult = [{ periodStart, runTime: 0, succeeded: 0, failed: 0, timeSaved: 0 }];
+
+				const queryBuilderMock = {
+					addCommonTableExpression: jest.fn().mockReturnThis(),
+					select: jest.fn().mockReturnThis(),
+					innerJoin: jest.fn().mockReturnThis(),
+					where: jest.fn().mockReturnThis(),
+					groupBy: jest.fn().mockReturnThis(),
+					orderBy: jest.fn().mockReturnThis(),
+					getRawMany: jest.fn().mockResolvedValue(mockResult),
+				};
+
+				jest
+					.spyOn(insightsByPeriodRepository.manager, 'createQueryBuilder')
+					.mockReturnValueOnce(queryBuilderMock as any);
+
+				const result = await insightsByPeriodRepository.getInsightsByTime({
+					maxAgeInDays: 1,
+					periodUnit: 'day',
+				});
+
+				// ASSERT
+				expect(result[0]?.periodStart).not.toBeNull();
+				expect(new Date(result[0]?.periodStart).toString()).not.toBe('Invalid Date');
+			},
+		);
+	});
+
 	describe('Avoid deadlock error', () => {
 		let defaultBatchSize: number;
 		beforeAll(() => {
diff --git a/packages/cli/src/modules/insights/database/repositories/insights-by-period.repository.ts b/packages/cli/src/modules/insights/database/repositories/insights-by-period.repository.ts
index c59b5b9671..edb6294640 100644
--- a/packages/cli/src/modules/insights/database/repositories/insights-by-period.repository.ts
+++ b/packages/cli/src/modules/insights/database/repositories/insights-by-period.repository.ts
@@ -41,13 +41,19 @@ const aggregatedInsightsByWorkflowParser = z
 
 const aggregatedInsightsByTimeParser = z
 	.object({
-		periodStart: z
-			.union([z.date(), z.string()])
-			.transform((value) =>
-				value instanceof Date
-					? value.toISOString()
-					: DateTime.fromSQL(value.toString(), { zone: 'utc' }).toISO(),
-			),
+		periodStart: z.union([z.date(), z.string()]).transform((value) => {
+			if (value instanceof Date) {
+				return value.toISOString();
+			}
+
+			const parsedDatetime = DateTime.fromSQL(value.toString(), { zone: 'utc' });
+			if (parsedDatetime.isValid) {
+				return parsedDatetime.toISO();
+			}
+
+			// fallback on native date parsing
+			return new Date(value).toISOString();
+		}),
 		runTime: z.union([z.number(), z.string()]).transform((value) => Number(value)),
 		succeeded: z.union([z.number(), z.string()]).transform((value) => Number(value)),
 		failed: z.union([z.number(), z.string()]).transform((value) => Number(value)),
@@ -381,7 +387,7 @@ export class InsightsByPeriodRepository extends Repository<InsightsByPeriod> {
 			])
 			.innerJoin('date_range', 'date_range', '1=1')
 			.where(`${this.escapeField('periodStart')} >= date_range.start_date`)
-			.addGroupBy(this.getPeriodStartExpr(periodUnit))
+			.groupBy(this.getPeriodStartExpr(periodUnit))
 			.orderBy(this.getPeriodStartExpr(periodUnit), 'ASC');
 
 		const rawRows = await rawRowsQuery.getRawMany();