diff --git a/src/main.sh b/src/main.sh
index 0256972..0b8473a 100755
--- a/src/main.sh
+++ b/src/main.sh
@@ -449,6 +449,30 @@ if [ "${1:-}" = "--preview" ]; then
   exit
 fi
 
+month_previous() {
+  month="$1"
+  year="$2"
+  if [ "$month" -eq 1 ]; then
+    month=12
+    year=$((year - 1))
+  else
+    month=$((month - 1))
+  fi
+  echo "$month $year"
+}
+
+month_next() {
+  month="$1"
+  year="$2"
+  if [ "$month" -eq 12 ]; then
+    month=1
+    year=$((year + 1))
+  else
+    month=$((month + 1))
+  fi
+  echo "$month $year"
+}
+
 if [ "${1:-}" = "--preview-week" ]; then
   sign=$(echo "$2" | cut -d '|' -f 1)
   if [ "$sign" = "+" ]; then
@@ -461,23 +485,27 @@ if [ "${1:-}" = "--preview-week" ]; then
     year_cur=$1
     month_cur=$2
     day_cur=$3
-    # Previous month
-    if [ "$month" -eq 1 ]; then
-      month_pre=12
-      year_pre=$((year - 1))
-    else
-      month_pre=$((month - 1))
-      year_pre=$year
-    fi
-    # Next month
-    if [ "$month" -eq 12 ]; then
-      month_nex=1
-      year_nex=$((year + 1))
-    else
-      month_nex=$((month + 1))
-      year_nex=$year
-    fi
+    # Previous months
+    set -- $(month_previous "$month" "$year")
+    month_pre="$1"
+    year_pre="$2"
+    set -- $(month_previous "$month_pre" "$year_pre")
+    month_pre2="$1"
+    year_pre2="$2"
+    # Next months
+    set -- $(month_next "$month" "$year")
+    month_nex="$1"
+    year_nex="$2"
+    set -- $(month_next "$month_nex" "$year_nex")
+    month_nex2="$1"
+    year_nex2="$2"
+    set -- $(month_next "$month_nex2" "$year_nex2")
+    month_nex3="$1"
+    year_nex3="$2"
     # Highlight today
+    if [ "$month_pre2" -eq "$month_cur" ] && [ "$year_pre2" -eq "$year_cur" ]; then
+      var_pre2=$day_cur
+    fi
     if [ "$month_pre" -eq "$month_cur" ] && [ "$year_pre" -eq "$year_cur" ]; then
       var_pre=$day_cur
     fi
@@ -487,11 +515,20 @@ if [ "${1:-}" = "--preview-week" ]; then
     if [ "$month_nex" -eq "$month_cur" ] && [ "$year_nex" -eq "$year_cur" ]; then
       var_nex=$day_cur
     fi
+    if [ "$month_nex2" -eq "$month_cur" ] && [ "$year_nex2" -eq "$year_cur" ]; then
+      var_nex2=$day_cur
+    fi
+    if [ "$month_nex3" -eq "$month_cur" ] && [ "$year_nex3" -eq "$year_cur" ]; then
+      var_nex3=$day_cur
+    fi
     # show
     (
+      cal "$month_pre2" "$year_pre2" | awk -v cur="${var_pre2:-}" "$AWK_CAL"
       cal "$month_pre" "$year_pre" | awk -v cur="${var_pre:-}" "$AWK_CAL"
       cal "$month" "$year" | awk -v cur="${var:-}" -v day="$day" "$AWK_CAL"
       cal "$month_nex" "$year_nex" | awk -v cur="${var_nex:-}" "$AWK_CAL"
+      cal "$month_nex2" "$year_nex2" | awk -v cur="${var_nex2:-}" "$AWK_CAL"
+      cal "$month_nex3" "$year_nex3" | awk -v cur="${var_nex3:-}" "$AWK_CAL"
     ) | awk '{ l[NR%8] = l[NR%8] "    " $0 } END {for (i in l) if (i>0) print l[i] }'
   fi
   exit