diff --git a/packages/cli/src/modules/insights/__tests__/insights-compaction.service.test.ts b/packages/cli/src/modules/insights/__tests__/insights-compaction.service.test.ts
index 2d7c73338e..64853615f2 100644
--- a/packages/cli/src/modules/insights/__tests__/insights-compaction.service.test.ts
+++ b/packages/cli/src/modules/insights/__tests__/insights-compaction.service.test.ts
@@ -436,7 +436,7 @@ describe('compaction', () => {
 					// 2000-01-03 is a Monday
 					DateTime.utc(2000, 1, 3, 0, 0),
 					DateTime.utc(2000, 1, 5, 23, 59),
-					DateTime.utc(2000, 1, 11, 1, 0),
+					DateTime.utc(2000, 1, 10, 1, 0),
 				],
 				batches: [2, 1],
 			},
@@ -446,9 +446,9 @@ describe('compaction', () => {
 					// 2000-01-03 is a Monday
 					DateTime.utc(2000, 1, 3, 0, 0),
 					DateTime.utc(2000, 1, 4, 23, 59),
-					DateTime.utc(2000, 1, 11, 0, 0),
-					DateTime.utc(2000, 1, 12, 23, 59),
-					DateTime.utc(2000, 1, 18, 23, 59),
+					DateTime.utc(2000, 1, 10, 0, 0),
+					DateTime.utc(2000, 1, 11, 23, 59),
+					DateTime.utc(2000, 1, 17, 23, 59),
 				],
 				batches: [2, 2, 1],
 			},
@@ -482,7 +482,7 @@ describe('compaction', () => {
 			const allCompacted = await insightsByPeriodRepository.find({ order: { periodStart: 1 } });
 			expect(allCompacted).toHaveLength(batches.length);
 			for (const [index, compacted] of allCompacted.entries()) {
-				expect(compacted.periodStart.getDay()).toBe(1);
+				expect(compacted.periodStart.getUTCDay()).toBe(1);
 				expect(compacted.value).toBe(batches[index]);
 			}
 		});
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 edb6294640..b5890ce0c0 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
@@ -90,7 +90,7 @@ export class InsightsByPeriodRepository extends Repository<InsightsByPeriod> {
 		// SQLite by default
 		let periodStartExpr =
 			periodUnitToCompactInto === 'week'
-				? "strftime('%Y-%m-%d 00:00:00.000', date(periodStart, 'weekday 0', '-6 days'))"
+				? "strftime('%Y-%m-%d 00:00:00.000', date(periodStart, '-6 days', 'weekday 1'))"
 				: `strftime('%Y-%m-%d ${periodUnitToCompactInto === 'hour' ? '%H' : '00'}:00:00.000', periodStart)`;
 		if (dbType === 'mysqldb' || dbType === 'mariadb') {
 			periodStartExpr =