diff --git a/app/src/main/java/agzam/vyatsu/ui/schedule/ScheduleViewModel.kt b/app/src/main/java/agzam/vyatsu/ui/schedule/ScheduleViewModel.kt
index 6dd5e75..fd10160 100644
--- a/app/src/main/java/agzam/vyatsu/ui/schedule/ScheduleViewModel.kt
+++ b/app/src/main/java/agzam/vyatsu/ui/schedule/ScheduleViewModel.kt
@@ -56,13 +56,21 @@ class ScheduleViewModel(
             }
 
             launch {
-                _uiState.value = _uiState.value.copy(isSyncing = true)
-                scheduleRepository.sync(groupId)
-                _uiState.value = _uiState.value.copy(isSyncing = false)
+                syncIfMissingToday(groupId)
             }
         }
     }
 
+    private suspend fun syncIfMissingToday(groupId: String) {
+        val schedule = scheduleRepository.getSchedule(groupId)
+        val today = ScheduleDates.moscowToday()
+        val hasTodayPeriod = schedule?.periodOf(today) != null
+        if (hasTodayPeriod) return
+        _uiState.value = _uiState.value.copy(isSyncing = true)
+        scheduleRepository.sync(groupId)
+        _uiState.value = _uiState.value.copy(isSyncing = false)
+    }
+
     fun switchGroup() {
         viewModelScope.launch {
             currentGroupId = null