diff --git a/index.html b/index.html
index 8a52991..d6e6296 100644
--- a/index.html
+++ b/index.html
@@ -313,35 +313,50 @@ function calculateBonus() {
     probationEndDate.setMonth(probationEndDate.getMonth() + 1);
 
     const [reportYear, reportMonth] = worker.reportMonth.split('-').map(Number);
+    const reportStartDate = new Date(reportYear, reportMonth - 1, 1);
     const reportEndDate = new Date(reportYear, reportMonth, 0);
+    const daysInMonth = reportEndDate.getDate();
 
-    const isProbationEnded = probationEndDate <= reportEndDate;
-    
     let includedDays = 0;
-    let bonusAmount = 0;
+    let recalculatedSalary = 0;
     let excludedReason = '';
+    let isExcluded = false;
 
-    if (!isProbationEnded) {
+    // Check if probation ends after the report month
+    if (probationEndDate > reportEndDate) {
+      isExcluded = true;
       excludedReason = `Испытательный срок до ${formatDate(probationEndDate.toISOString().split('T')[0])}`;
     } else {
-      const daysInMonth = reportEndDate.getDate();
-      const daysBeforeProbation = Math.max(0, Math.ceil((probationEndDate - new Date(reportYear, reportMonth-1, 1)) / (1000*60*60*24)));
-      includedDays = daysInMonth - daysBeforeProbation;
+      // Calculate days after probation ends
+      let daysAfterProbation;
       
-      const dailyRate = worker.salary / daysInMonth;
-      bonusAmount = dailyRate * includedDays;
+      if (probationEndDate <= reportStartDate) {
+        // Probation ended before the report month started - full month
+        daysAfterProbation = daysInMonth;
+      } else {
+        // Probation ends during the report month
+        const probationEndDay = probationEndDate.getDate();
+        daysAfterProbation = daysInMonth - probationEndDay + 1;
+      }
+
+      // Recalculate worked days and salary proportionally
+      includedDays = Math.round((worker.workedDays / daysInMonth) * daysAfterProbation * 100) / 100;
+      recalculatedSalary = Math.round((worker.salary / daysInMonth) * daysAfterProbation * 100) / 100;
     }
 
     results.push({
       ...worker,
-      isProbationEnded,
+      isExcluded,
       includedDays,
-      bonusAmount,
+      recalculatedSalary,
       excludedReason,
-      probationEndDate: formatDate(probationEndDate.toISOString().split('T')[0])
+      probationEndDate: formatDate(probationEndDate.toISOString().split('T')[0]),
+      daysAfterProbation: isExcluded ? 0 : (probationEndDate <= reportStartDate ? daysInMonth : daysInMonth - probationEndDate.getDate() + 1)
     });
 
-    totalBonus += bonusAmount;
+    if (!isExcluded) {
+      totalBonus += recalculatedSalary;
+    }
   });
 
   displayResults(results, totalBonus);
@@ -353,12 +368,15 @@ function displayResults(results, totalBonus) {
   const totalResult = document.getElementById('totalResult');
 
   resultsList.innerHTML = results.map(r => `
-    <div class="result-item ${r.isProbationEnded ? 'included' : 'excluded'}">
+    <div class="result-item ${r.isExcluded ? 'excluded' : 'included'}">
       <div>
         <strong>${r.fullName}</strong><br>
-        <small>${r.isProbationEnded ? `Включен: ${r.includedDays} дней` : `Исключен: ${r.excludedReason}`}</small>
+        <small>${r.isExcluded ? 
+          `Исключен: ${r.excludedReason}` : 
+          `Включен: ${r.includedDays} дней (пересчет с ${r.probationEndDate}), оклад ${r.recalculatedSalary.toLocaleString('ru-RU')} ₽`
+        }</small>
       </div>
-      <div>${r.isProbationEnded ? r.bonusAmount.toLocaleString('ru-RU') + ' ₽' : '—'}</div>
+      <div>${r.isExcluded ? '—' : r.recalculatedSalary.toLocaleString('ru-RU') + ' ₽'}</div>
     </div>
   `).join('');