diff --git a/screenshots/Mimo_smenu_1.png b/screenshots/Mimo_smenu_1.png
new file mode 100644
index 0000000..6db420d
Binary files /dev/null and b/screenshots/Mimo_smenu_1.png differ
diff --git a/web/src/App.tsx b/web/src/App.tsx
index 44ff6ab..168c6d5 100644
--- a/web/src/App.tsx
+++ b/web/src/App.tsx
@@ -417,7 +417,16 @@ function ScheduleApp({ fileId, fileName, data, compareFileId, onBack, onFileName
     await exportMonthPdf(month, year, data.dayIndex, people, tunnelClosures, tunnelColors)
   }, [data.dayIndex, people, tunnelClosures, tunnelColors])
 
-  const contextDayInfo = contextMenu ? data.dayIndex.find(d => d.idx === contextMenu.dayIdx) : null
+  const MONTH_NAMES_FULL: Record<number, string> = {
+    1:'Leden',2:'Únor',3:'Březen',4:'Duben',5:'Květen',6:'Červen',
+    7:'Červenec',8:'Srpen',9:'Září',10:'Říjen',11:'Listopad',12:'Prosinec',
+  }
+  const contextDayInfo = contextMenu
+    ? contextMenu.dayIdx < 0
+      // PMS cell — synthetic day info
+      ? { idx: contextMenu.dayIdx, day: 0, month: -contextMenu.dayIdx, year: 2026, week: 0, weekend: false } as import('./types').DayInfo
+      : data.dayIndex.find(d => d.idx === contextMenu.dayIdx) ?? null
+    : null
   const contextPerson = contextMenu?.personId ? people.find(p => p.id === contextMenu.personId) : null
   const contextCellData = contextMenu?.personId
     ? people.find(p => p.id === contextMenu.personId)?.data[String(contextMenu.dayIdx)]
diff --git a/web/src/ContextMenu.tsx b/web/src/ContextMenu.tsx
index 726adcc..c319171 100644
--- a/web/src/ContextMenu.tsx
+++ b/web/src/ContextMenu.tsx
@@ -131,7 +131,12 @@ export function ContextMenu({
     onClose()
   }
 
-  const dateStr = `${dayInfo.day}.${dayInfo.month}.${dayInfo.year}`
+  const isPms = dayInfo.idx < 0
+  const MONTH_NAMES_CTX: Record<number, string> = {
+    1:'Leden',2:'Únor',3:'Březen',4:'Duben',5:'Květen',6:'Červen',
+    7:'Červenec',8:'Srpen',9:'Září',10:'Říjen',11:'Listopad',12:'Prosinec',
+  }
+  const dateStr = isPms ? `Práce mimo směnu — ${MONTH_NAMES_CTX[dayInfo.month] ?? dayInfo.month}` : `${dayInfo.day}.${dayInfo.month}.${dayInfo.year}`
   const isTunnelRow = !!state.isTunnelRow
   const isInfoRow = !!state.infoRowId
   const infoRowId = state.infoRowId
diff --git a/web/src/ScheduleTable.tsx b/web/src/ScheduleTable.tsx
index 5a9372b..3ccd96d 100644
--- a/web/src/ScheduleTable.tsx
+++ b/web/src/ScheduleTable.tsx
@@ -1,4 +1,4 @@
-import { useMemo, useState, useCallback, useRef, memo, useEffect } from 'react'
+import React, { useMemo, useState, useCallback, useRef, memo, useEffect } from 'react'
 import type { DayInfo, Person, DragState, ScheduleData } from './types'
 import { getCellStyle, getCellStyleForPerson, getContrastColor } from './cellColors'
 import { getHolidayMap } from './holidays'
@@ -13,6 +13,11 @@ const MONTH_NAMES: Record<number, string> = {
 
 const DAY_NAMES = ['Ne', 'Po', 'Út', 'St', 'Čt', 'Pá', 'So']
 
+const MONTH_NAMES_SHORT: Record<number, string> = {
+  1: 'Led', 2: 'Úno', 3: 'Bře', 4: 'Dub', 5: 'Kvě', 6: 'Čvn',
+  7: 'Čvc', 8: 'Srp', 9: 'Zář', 10: 'Říj', 11: 'Lis', 12: 'Pro',
+}
+
 export interface SelectedCell {
   personId: string
   dayIdx: number
@@ -76,6 +81,8 @@ const PersonRow = memo(function PersonRow({
   onCellClick,
   onCellDragSelectStart,
   onCellDragSelectMove,
+  pmsAfterSet,
+  pmsMonthAtPos,
 }: {
   person: Person
   dayIndex: DayInfo[]
@@ -95,12 +102,14 @@ const PersonRow = memo(function PersonRow({
   onCellClick: (personId: string, dayIdx: number, ctrlKey: boolean, shiftKey: boolean) => void
   onCellDragSelectStart: (personId: string, dayIdx: number) => void
   onCellDragSelectMove: (personId: string, dayIdx: number) => void
+  pmsAfterSet: Set<number>
+  pmsMonthAtPos: Map<number, number>
 }) {
   const isDragging = dragState?.personId === person.id
 
   return (
     <div className="flex border-b border-slate-700/50" style={{ height: CELL_H }}>
-      {dayIndex.map((d) => {
+      {dayIndex.map((d, i) => {
         const cellData = person.data[String(d.idx)]
         const value = cellData?.v ?? ''
         const isColorOnly = !value && !!cellData?.color
@@ -156,7 +165,7 @@ const PersonRow = memo(function PersonRow({
           className += ' cursor-grab active:cursor-grabbing'
         }
 
-        return (
+        const dayCell = (
           <div
             key={d.idx}
             className={className}
@@ -226,6 +235,53 @@ const PersonRow = memo(function PersonRow({
             )}
           </div>
         )
+
+        if (!pmsAfterSet.has(i)) return dayCell
+
+        // PMS cell after this day (month boundary)
+        const pmsMonth = pmsMonthAtPos.get(i)!
+        const pmsDayIdx = -pmsMonth // negative month as special key
+        const pmsData = person.data[String(pmsDayIdx)]
+        const pmsValue = pmsData?.v ?? ''
+        const isPmsEditing = editingCell?.personId === person.id && editingCell?.dayIdx === pmsDayIdx
+
+        return [
+          dayCell,
+          <div
+            key={`pms-${pmsMonth}`}
+            className="flex items-center justify-center text-xs font-mono font-bold
+              border-r border-slate-600 bg-slate-700/30 cursor-text hover:bg-slate-600/40"
+            style={{ width: CELL_W, height: CELL_H }}
+            onDoubleClick={() => onStartEdit(person.id, pmsDayIdx, pmsValue)}
+            onClick={() => {
+              if (!isPmsEditing) onStartEdit(person.id, pmsDayIdx, pmsValue)
+            }}
+            onContextMenu={(e) => {
+              e.preventDefault()
+              onContextMenu(pmsDayIdx, person.id, e.clientX, e.clientY)
+            }}
+            title={`PMS ${MONTH_NAMES_SHORT[pmsMonth] ?? pmsMonth}: ${pmsValue || '—'}`}
+          >
+            {isPmsEditing ? (
+              <input
+                autoFocus
+                className="w-full h-full bg-white text-slate-900 text-center text-xs font-mono font-bold outline-none border-2 border-purple-500"
+                style={{ width: CELL_W, height: CELL_H }}
+                value={editingCell!.value}
+                onChange={(e) => onEditChange(e.target.value)}
+                onKeyDown={(e) => {
+                  if (e.key === 'Enter') onEditConfirm()
+                  if (e.key === 'Escape') onEditCancel()
+                }}
+                onBlur={onEditConfirm}
+                onClick={(e) => e.stopPropagation()}
+                onPointerDown={(e) => e.stopPropagation()}
+              />
+            ) : (
+              <span className="truncate text-slate-300">{pmsValue}</span>
+            )}
+          </div>,
+        ]
       })}
     </div>
   )
@@ -302,13 +358,51 @@ export function ScheduleTable(props: ScheduleTableProps) {
   const tkbPeople = useMemo(() => people.filter(p => p.group === 'TKB'), [people])
   const itPeople = useMemo(() => people.filter(p => p.group === 'IT'), [people])
 
+  // ---------- PMS (Práce mimo směnu) month-end positions ----------
+
+  const monthEndPositions = useMemo(() => {
+    const positions: { afterDayPos: number; month: number; year: number }[] = []
+    for (let i = 0; i < dayIndex.length - 1; i++) {
+      if (dayIndex[i].month !== dayIndex[i + 1].month) {
+        positions.push({ afterDayPos: i, month: dayIndex[i].month, year: dayIndex[i].year })
+      }
+    }
+    const last = dayIndex[dayIndex.length - 1]
+    if (last) positions.push({ afterDayPos: dayIndex.length - 1, month: last.month, year: last.year })
+    return positions
+  }, [dayIndex])
+
+  // Set of dayIndex positions after which a PMS column appears
+  const pmsAfterSet = useMemo(() => new Set(monthEndPositions.map(p => p.afterDayPos)), [monthEndPositions])
+
+  // Map from dayIndex position to the month number for PMS
+  const pmsMonthAtPos = useMemo(() => {
+    const m = new Map<number, number>()
+    for (const p of monthEndPositions) m.set(p.afterDayPos, p.month)
+    return m
+  }, [monthEndPositions])
+
   // ---------- idxToPos for drag overlay ----------
 
+  // Maps dayIndex array position to column position (accounting for PMS columns)
+  const dayPosToColPos = useMemo(() => {
+    const arr: number[] = []
+    let pmsCount = 0
+    for (let i = 0; i < dayIndex.length; i++) {
+      arr.push(i + pmsCount)
+      if (pmsAfterSet.has(i)) pmsCount++
+    }
+    return arr
+  }, [dayIndex, pmsAfterSet])
+
+  // Maps dayIdx to column position for drag overlay
   const idxToPos = useMemo(() => {
     const map = new Map<number, number>()
-    dayIndex.forEach((d, i) => map.set(d.idx, i))
+    for (let i = 0; i < dayIndex.length; i++) {
+      map.set(dayIndex[i].idx, dayPosToColPos[i])
+    }
     return map
-  }, [dayIndex])
+  }, [dayIndex, dayPosToColPos])
 
   // ---------- Editing handlers ----------
 
@@ -599,7 +693,7 @@ export function ScheduleTable(props: ScheduleTableProps) {
 
   // ---------- Render ----------
 
-  const totalGridW = dayIndex.length * CELL_W
+  const totalGridW = dayIndex.length * CELL_W + monthEndPositions.length * CELL_W
   const nameColW = 200
 
   // Helper: render info row label (left column)
@@ -622,7 +716,7 @@ export function ScheduleTable(props: ScheduleTableProps) {
     onStartEditFn: (dayIdx: number, currentValue: string) => void,
   ) => (
     <div className={`flex border-b ${borderClass}`} style={{ height: 28 }}>
-      {dayIndex.map((d) => {
+      {dayIndex.map((d, i) => {
         const closureVal = closures.get(d.idx) ?? ''
         const closureColor = colors.get(d.idx)
         const isEditingThis = editingCell?.personId === rowId && editingCell?.dayIdx === d.idx
@@ -634,7 +728,8 @@ export function ScheduleTable(props: ScheduleTableProps) {
           rowBg.color = getContrastColor(closureColor)
         }
 
-        return (
+        const cells: React.ReactNode[] = []
+        cells.push(
           <div
             key={d.idx}
             className={`flex items-center justify-center text-xs font-mono font-bold relative
@@ -671,6 +766,12 @@ export function ScheduleTable(props: ScheduleTableProps) {
             )}
           </div>
         )
+        if (pmsAfterSet.has(i)) {
+          cells.push(
+            <div key={`pms-info-${rowId}-${i}`} className="bg-slate-700/30" style={{ width: CELL_W, height: 28 }} />
+          )
+        }
+        return cells
       })}
     </div>
   )
@@ -756,7 +857,7 @@ export function ScheduleTable(props: ScheduleTableProps) {
                 <div
                   key={`${m.year}-${m.month}`}
                   className="flex items-center justify-center text-xs font-semibold text-slate-300 border-r border-slate-600 bg-slate-800"
-                  style={{ width: m.count * CELL_W }}
+                  style={{ width: (m.count + 1) * CELL_W }}
                 >
                   {MONTH_NAMES[m.month]} {m.year}
                 </div>
@@ -765,25 +866,71 @@ export function ScheduleTable(props: ScheduleTableProps) {
 
             {/* Week header row */}
             <div className="flex border-b border-slate-700" style={{ height: 24 }}>
-              {weekSpans.map((w, i) => (
-                <div
-                  key={`w-${i}`}
-                  className="flex items-center justify-center text-[10px] text-slate-400 border-r border-slate-700/50 bg-slate-800/80"
-                  style={{ width: w.count * CELL_W }}
-                >
-                  {w.week}
-                </div>
-              ))}
+              {weekSpans.map((w, i) => {
+                // Check if any PMS column falls inside this week span
+                const spanEnd = w.startIdx + w.count - 1
+                const pmsCols: number[] = []
+                for (let di = w.startIdx; di <= spanEnd; di++) {
+                  if (pmsAfterSet.has(di)) pmsCols.push(di)
+                }
+                if (pmsCols.length === 0) {
+                  return (
+                    <div
+                      key={`w-${i}`}
+                      className="flex items-center justify-center text-[10px] text-slate-400 border-r border-slate-700/50 bg-slate-800/80"
+                      style={{ width: w.count * CELL_W }}
+                    >
+                      {w.week}
+                    </div>
+                  )
+                }
+                // Split span around PMS columns
+                const fragments: React.ReactNode[] = []
+                let fragStart = w.startIdx
+                for (const pmsPos of pmsCols) {
+                  const fragCount = pmsPos - fragStart + 1
+                  if (fragCount > 0) {
+                    fragments.push(
+                      <div
+                        key={`w-${i}-f-${fragStart}`}
+                        className="flex items-center justify-center text-[10px] text-slate-400 border-r border-slate-700/50 bg-slate-800/80"
+                        style={{ width: fragCount * CELL_W }}
+                      >
+                        {w.week}
+                      </div>
+                    )
+                  }
+                  fragments.push(
+                    <div key={`w-${i}-pms-${pmsPos}`} className="bg-slate-700/30" style={{ width: CELL_W, height: 24 }} />
+                  )
+                  fragStart = pmsPos + 1
+                }
+                // Remaining fragment after last PMS
+                const remaining = spanEnd - fragStart + 1
+                if (remaining > 0) {
+                  fragments.push(
+                    <div
+                      key={`w-${i}-f-${fragStart}`}
+                      className="flex items-center justify-center text-[10px] text-slate-400 border-r border-slate-700/50 bg-slate-800/80"
+                      style={{ width: remaining * CELL_W }}
+                    >
+                      {w.week}
+                    </div>
+                  )
+                }
+                return <React.Fragment key={`w-${i}`}>{fragments}</React.Fragment>
+              })}
             </div>
 
-            {/* Day number header row */}
+            {/* Day number header row (DEN) — PMS rotated text appears here */}
             <div className="flex border-b border-slate-700" style={{ height: 28 }}>
-              {dayIndex.map((d) => {
+              {dayIndex.map((d, i) => {
                 const comment = dayComments.get(d.idx)
                 const holidayName = holidays.get(`${d.year}-${d.month}-${d.day}`)
                 const isHoliday = !!holidayName
                 const isOff = d.weekend || isHoliday
-                return (
+                const cells: React.ReactNode[] = []
+                cells.push(
                   <div
                     key={d.idx}
                     className={`flex items-center justify-center text-[10px] font-mono relative
@@ -799,6 +946,39 @@ export function ScheduleTable(props: ScheduleTableProps) {
                     )}
                   </div>
                 )
+                if (pmsAfterSet.has(i)) {
+                  cells.push(
+                    <div
+                      key={`pms-den-${i}`}
+                      className="relative"
+                      style={{ width: CELL_W, height: 28, zIndex: 15 }}
+                    >
+                      {/* Merged cell overlay covering DEN + DEN T. + all info rows */}
+                      <div
+                        className="absolute flex items-center justify-center border-l border-r border-slate-600 overflow-hidden"
+                        style={{
+                          top: 0,
+                          left: 0,
+                          width: CELL_W,
+                          height: 28 + 24 + 28 + (showSazlt ? 28 : 0) + (showMetro ? 28 : 0) + (showD8 ? 28 : 0),
+                          backgroundColor: '#283040',
+                          zIndex: 15,
+                        }}
+                      >
+                        <span
+                          className="text-[10px] font-bold text-slate-300 pointer-events-none select-none"
+                          style={{
+                            writingMode: 'vertical-rl',
+                            transform: 'rotate(180deg)',
+                          }}
+                        >
+                          Práce mimo směnu
+                        </span>
+                      </div>
+                    </div>
+                  )
+                }
+                return cells
               })}
             </div>
 
@@ -807,7 +987,8 @@ export function ScheduleTable(props: ScheduleTableProps) {
               {dayIndex.map((d, i) => {
                 const isHoliday = holidays.has(`${d.year}-${d.month}-${d.day}`)
                 const isOff = d.weekend || isHoliday
-                return (
+                const cells: React.ReactNode[] = []
+                cells.push(
                   <div
                     key={d.idx}
                     className={`flex items-center justify-center text-[9px] font-mono
@@ -819,6 +1000,12 @@ export function ScheduleTable(props: ScheduleTableProps) {
                     {dayNames[i]}
                   </div>
                 )
+                if (pmsAfterSet.has(i)) {
+                  cells.push(
+                    <div key={`pms-dayname-${i}`} className="bg-slate-700/30" style={{ width: CELL_W, height: 24 }} />
+                  )
+                }
+                return cells
               })}
             </div>
 
@@ -870,6 +1057,8 @@ export function ScheduleTable(props: ScheduleTableProps) {
                   onCellClick={onCellClick}
                   onCellDragSelectStart={onCellDragSelectStart}
                   onCellDragSelectMove={onCellDragSelectMove}
+                  pmsAfterSet={pmsAfterSet}
+                  pmsMonthAtPos={pmsMonthAtPos}
                 />
               ))}
 
@@ -898,12 +1087,15 @@ export function ScheduleTable(props: ScheduleTableProps) {
                   onCellClick={onCellClick}
                   onCellDragSelectStart={onCellDragSelectStart}
                   onCellDragSelectMove={onCellDragSelectMove}
+                  pmsAfterSet={pmsAfterSet}
+                  pmsMonthAtPos={pmsMonthAtPos}
                 />
               ))}
 
               {/* Compare ghost blocks */}
               {ghostBlocks && ghostBlocks.map((gb, i) => {
-                const left = gb.startPos * CELL_W
+                const colPos = dayPosToColPos[gb.startPos] ?? gb.startPos
+                const left = colPos * CELL_W
                 const tkbCount = tkbPeople.length
                 let top: number
                 if (gb.personIdx < tkbCount) {
@@ -911,7 +1103,10 @@ export function ScheduleTable(props: ScheduleTableProps) {
                 } else {
                   top = (1 + tkbCount + 1 + (gb.personIdx - tkbCount)) * CELL_H
                 }
-                const width = gb.length * CELL_W
+                // Ghost block width: count columns between start and end, including any PMS columns in between
+                const endDayPos = gb.startPos + gb.length - 1
+                const endColPos = dayPosToColPos[endDayPos] ?? endDayPos
+                const width = (endColPos - colPos + 1) * CELL_W
                 const cellStyle = getCellStyle(gb.value)
 
                 return (