diff --git a/docs/modules/Clock.md b/docs/modules/Clock.md
index a191763..2581460 100644
--- a/docs/modules/Clock.md
+++ b/docs/modules/Clock.md
@@ -14,6 +14,7 @@ Clicking on the widget opens a popup with the time and a calendar.
 | `format_popup` | `string`                                                   | `%H:%M:%S`                         | Date/time format string to display in the popup header. Pango markup is supported.  |
 | `locale`       | `string`                                                   | `$LC_TIME` or `$LANG` or `'POSIX'` | Locale to use (eg `en_GB`). Defaults to the system language (reading from env var). |
 | `orientation`  | `'horizontal'` or `'vertical'` (shorthand: `'h'` or `'v'`) | `'horizontal'`                     | Orientation of the time on the clock button.                                        |
+| `justify`      | `'left'`', `'right'`, `'center'`, or `'fill'`              | `'left'`                           | Justification (alignment) of the date/time shown on the bar.                        |
 
 > Detail on available tokens can be found here: <https://docs.rs/chrono/latest/chrono/format/strftime/index.html>
 
diff --git a/docs/modules/Custom.md b/docs/modules/Custom.md
index f9e718f..f7d2510 100644
--- a/docs/modules/Custom.md
+++ b/docs/modules/Custom.md
@@ -54,10 +54,11 @@ A text label. Pango markup is supported.
 
 > Type `label`
 
-| Name    | Type                                            | Default | Description                                                         |
-|---------|-------------------------------------------------|---------|---------------------------------------------------------------------|
-| `label` | [Dynamic String](dynamic-values#dynamic-string) | `null`  | Widget text label. Pango markup and embedded scripts are supported. |
-| `orientation` | `'horizontal'` or `'vertical'` (shorthand: `'h'` or `'v'`) | `'horizontal'` | Orientation of the label.                                                                                                      |
+| Name          | Type                                                       | Default        | Description                                                          |
+|---------------|------------------------------------------------------------|----------------|----------------------------------------------------------------------|
+| `label`       | [Dynamic String](dynamic-values#dynamic-string)            | `null`         | Widget text label. Pango markup and embedded scripts are supported.  |
+| `orientation` | `'horizontal'` or `'vertical'` (shorthand: `'h'` or `'v'`) | `'horizontal'` | Orientation of the label text.                                       |
+| `justify`     | `'left'`, `'right'`, `'center'`, or `'fill'`               | `'left'`       | Justification (alignment) of the label text.                         |
 
 #### Button
 
@@ -425,4 +426,4 @@ The following top-level selectors are always available:
 | `.custom`       | Custom widget container.       |
 | `.popup-custom` | Custom widget popup container. |
 
-For more information on styling, please see the [styling guide](styling-guide).
\ No newline at end of file
+For more information on styling, please see the [styling guide](styling-guide).
diff --git a/src/config/common.rs b/src/config/common.rs
index d987e85..855a3dc 100644
--- a/src/config/common.rs
+++ b/src/config/common.rs
@@ -3,7 +3,7 @@ use crate::script::{Script, ScriptInput};
 use glib::Propagation;
 use gtk::gdk::ScrollDirection;
 use gtk::prelude::*;
-use gtk::{EventBox, Orientation, Revealer, RevealerTransitionType};
+use gtk::{EventBox, Justification, Orientation, Revealer, RevealerTransitionType};
 use serde::Deserialize;
 use tracing::trace;
 
@@ -198,6 +198,28 @@ impl From<ModuleOrientation> for Orientation {
     }
 }
 
+#[derive(Debug, Default, Deserialize, Clone, Copy)]
+#[serde(rename_all = "snake_case")]
+#[cfg_attr(feature = "schema", derive(schemars::JsonSchema))]
+pub enum ModuleJustification {
+    #[default]
+    Left,
+    Right,
+    Center,
+    Fill,
+}
+
+impl From<ModuleJustification> for Justification {
+    fn from(o: ModuleJustification) -> Self {
+        match o {
+            ModuleJustification::Left => Self::Left,
+            ModuleJustification::Right => Self::Right,
+            ModuleJustification::Center => Self::Center,
+            ModuleJustification::Fill => Self::Fill,
+        }
+    }
+}
+
 impl TransitionType {
     pub const fn to_revealer_transition_type(
         &self,
diff --git a/src/config/mod.rs b/src/config/mod.rs
index b3bda4f..b4d7371 100644
--- a/src/config/mod.rs
+++ b/src/config/mod.rs
@@ -45,7 +45,7 @@ use std::collections::HashMap;
 #[cfg(feature = "schema")]
 use schemars::JsonSchema;
 
-pub use self::common::{CommonConfig, ModuleOrientation, TransitionType};
+pub use self::common::{CommonConfig, ModuleJustification, ModuleOrientation, TransitionType};
 pub use self::truncate::{EllipsizeMode, TruncateMode};
 
 #[derive(Debug, Deserialize, Clone)]
diff --git a/src/modules/clock.rs b/src/modules/clock.rs
index 6af5e88..d006752 100644
--- a/src/modules/clock.rs
+++ b/src/modules/clock.rs
@@ -8,7 +8,7 @@ use serde::Deserialize;
 use tokio::sync::{broadcast, mpsc};
 use tokio::time::sleep;
 
-use crate::config::{CommonConfig, ModuleOrientation};
+use crate::config::{CommonConfig, ModuleJustification, ModuleOrientation};
 use crate::gtk_helpers::IronbarGtkExt;
 use crate::modules::{
     Module, ModuleInfo, ModuleParts, ModulePopup, ModuleUpdateEvent, PopupButton, WidgetContext,
@@ -58,6 +58,14 @@ pub struct ClockModule {
     #[serde(default)]
     orientation: ModuleOrientation,
 
+    /// The justification (alignment) of the date/time shown on the bar.
+    ///
+    /// **Valid options**: `left`, `right`, `center`, `fill`
+    /// <br>
+    /// **Default**: `left`
+    #[serde(default)]
+    justify: ModuleJustification,
+
     /// See [common options](module-level-options#common-options).
     #[serde(flatten)]
     pub common: Option<CommonConfig>,
@@ -71,6 +79,7 @@ impl Default for ClockModule {
             locale: default_locale(),
             orientation: ModuleOrientation::Horizontal,
             common: Some(CommonConfig::default()),
+            justify: ModuleJustification::Left,
         }
     }
 }
@@ -129,6 +138,7 @@ impl Module<Button> for ClockModule {
         let label = Label::builder()
             .angle(self.orientation.to_angle())
             .use_markup(true)
+            .justify(self.justify.into())
             .build();
         button.add(&label);
 
diff --git a/src/modules/custom/label.rs b/src/modules/custom/label.rs
index ded516c..8903789 100644
--- a/src/modules/custom/label.rs
+++ b/src/modules/custom/label.rs
@@ -4,7 +4,7 @@ use serde::Deserialize;
 
 use super::{CustomWidget, CustomWidgetContext};
 use crate::build;
-use crate::config::ModuleOrientation;
+use crate::config::{ModuleJustification, ModuleOrientation};
 use crate::dynamic_value::dynamic_string;
 use crate::gtk_helpers::IronbarLabelExt;
 
@@ -36,6 +36,14 @@ pub struct LabelWidget {
     /// **Default**: `horizontal`
     #[serde(default)]
     orientation: ModuleOrientation,
+
+    /// The justification (alignment) of the label text.
+    ///
+    /// **Valid options**: `left`, `right`, `center`, `fill`
+    /// <br>
+    /// **Default**: `left`
+    #[serde(default)]
+    justify: ModuleJustification,
 }
 
 impl CustomWidget for LabelWidget {
@@ -45,6 +53,7 @@ impl CustomWidget for LabelWidget {
         let label = build!(self, Self::Widget);
 
         label.set_angle(self.orientation.to_angle());
+        label.set_justify(self.justify.into());
         label.set_use_markup(true);
 
         {