diff --git a/backend/src/lib/workforce.js b/backend/src/lib/workforce.js
index 8319675..a92fe8e 100644
--- a/backend/src/lib/workforce.js
+++ b/backend/src/lib/workforce.js
@@ -177,20 +177,30 @@ export async function syncScheduled(from, to) {
 }
 
 export async function runRollingSync() {
-  const today    = new Date()
-  const to       = today.toISOString().slice(0, 10)
-  const fromDate = new Date(today)
-  fromDate.setDate(fromDate.getDate() - 35)
-  const from = fromDate.toISOString().slice(0, 10)
+  const today = new Date()
+  const todayStr = today.toISOString().slice(0, 10)
 
+  // Actuals: 35 days back in 7-day batches (API limit is 31 days per request)
+  const startDate = new Date(today)
+  startDate.setDate(startDate.getDate() - 35)
+  let actualRows = 0
+  let current = new Date(startDate)
+  while (current <= today) {
+    const batchEnd = new Date(current)
+    batchEnd.setDate(batchEnd.getDate() + 6)
+    if (batchEnd > today) batchEnd.setTime(today.getTime())
+    actualRows += await syncActuals(
+      current.toISOString().slice(0, 10),
+      batchEnd.toISOString().slice(0, 10)
+    )
+    current.setDate(current.getDate() + 7)
+  }
+
+  // Scheduled: next 14 days (well within 31-day limit)
   const fwdDate = new Date(today)
   fwdDate.setDate(fwdDate.getDate() + 14)
-  const fwd = fwdDate.toISOString().slice(0, 10)
+  const scheduledRows = await syncScheduled(todayStr, fwdDate.toISOString().slice(0, 10))
 
-  const [actualRows, scheduledRows] = await Promise.all([
-    syncActuals(from, to),
-    syncScheduled(to, fwd),
-  ])
   return { actualRows, scheduledRows }
 }