diff --git a/app/src/main/java/de/jeanlucmakiola/calendula/ui/common/AppBarSpacing.kt b/app/src/main/java/de/jeanlucmakiola/calendula/ui/common/AppBarSpacing.kt
index 3c1e85f..4a12dc7 100644
--- a/app/src/main/java/de/jeanlucmakiola/calendula/ui/common/AppBarSpacing.kt
+++ b/app/src/main/java/de/jeanlucmakiola/calendula/ui/common/AppBarSpacing.kt
@@ -26,7 +26,8 @@ object AppBarSpacing {
 
     private val IconButtonSize = 48.dp
 
-    private val IconSize = 24.dp
+    /** M3's icon slot inside an icon button; the today glyph fills the same box. */
+    internal val IconSize = 24.dp
 
     /**
      * End padding for a container-backed control that ends the bar, measured to
diff --git a/app/src/main/java/de/jeanlucmakiola/calendula/ui/common/TodayAction.kt b/app/src/main/java/de/jeanlucmakiola/calendula/ui/common/TodayAction.kt
index 1234bb1..583ee4a 100644
--- a/app/src/main/java/de/jeanlucmakiola/calendula/ui/common/TodayAction.kt
+++ b/app/src/main/java/de/jeanlucmakiola/calendula/ui/common/TodayAction.kt
@@ -1,26 +1,81 @@
 package de.jeanlucmakiola.calendula.ui.common
 
-import androidx.compose.material.icons.Icons
-import androidx.compose.material.icons.filled.Today
-import androidx.compose.material3.Icon
+import androidx.compose.foundation.border
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.IconButton
+import androidx.compose.material3.LocalContentColor
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.derivedStateOf
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalDensity
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
 import de.jeanlucmakiola.calendula.R
+import kotlinx.datetime.TimeZone
+import kotlinx.datetime.toLocalDateTime
+
+private val GlyphShape = RoundedCornerShape(7.dp)
+private val GlyphBorder = 1.5.dp
+
+/**
+ * Height of the day number. Expressed in dp and converted to sp at draw time so
+ * it does not follow the font scale: this is an icon glyph sharing the bar with
+ * stroke icons, and a two-digit day that grew with the text would push the bar
+ * past the width #165 measured it to. The button's content description carries
+ * the meaning for screen readers, so nothing is lost by holding it still.
+ */
+private val GlyphTextHeight = 12.dp
 
 /**
  * The top-bar "jump to today" icon button, shared by every calendar view's app
  * bar (#60). Shown in place of the fade-in FAB pill when the user moves the
  * today control into the toolbar; renders nothing when [show] is false, so it
  * drops straight into an app bar's `actions` slot without a wrapping condition.
+ *
+ * The glyph is the current day number in an outlined box rather than a generic
+ * calendar icon (#220), so the bar also says what day it is. Outlined rather
+ * than the month grid's filled circle, which reads as "this cell is today" and
+ * would sit heavier here than the stroke icons beside it.
  */
 @Composable
 fun TodayAction(show: Boolean, onToday: () -> Unit) {
     if (!show) return
-    IconButton(onClick = onToday) {
-        Icon(
-            imageVector = Icons.Default.Today,
-            contentDescription = stringResource(R.string.today_jump_action),
-        )
+    val now = rememberCurrentMinute()
+    // Only the day number is read, so the bar recomposes at midnight rather
+    // than on every minute tick.
+    val day by remember {
+        derivedStateOf { now.value.toLocalDateTime(TimeZone.currentSystemDefault()).date.day }
+    }
+    val description = stringResource(R.string.today_jump_action)
+    IconButton(
+        onClick = onToday,
+        modifier = Modifier.semantics { contentDescription = description },
+    ) {
+        val textSize = with(LocalDensity.current) { GlyphTextHeight.toSp() }
+        Box(
+            modifier = Modifier
+                .size(AppBarSpacing.IconSize)
+                .border(GlyphBorder, LocalContentColor.current, GlyphShape),
+            contentAlignment = Alignment.Center,
+        ) {
+            Text(
+                text = day.toString(),
+                fontSize = textSize,
+                lineHeight = textSize,
+                fontWeight = FontWeight.Bold,
+                textAlign = TextAlign.Center,
+                color = LocalContentColor.current,
+            )
+        }
     }
 }