diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06effca6..7ae374f6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 ## Unreleased
 
 - Python server: Support optional metrics ([#828](https://github.com/mozilla/glean_parser/pull/828))
+- BUGFIX: Correct event timestamp values in server language templates ([#831](https://github.com/mozilla/glean_parser/pull/831))
 
 ## 18.2.0
 
diff --git a/glean_parser/templates/go_server.jinja2 b/glean_parser/templates/go_server.jinja2
index f3ebb148..bdcb2625 100644
--- a/glean_parser/templates/go_server.jinja2
+++ b/glean_parser/templates/go_server.jinja2
@@ -187,7 +187,7 @@ func newGleanEvent(category, name string, extra map[string]string) gleanEvent {
     return gleanEvent{
         Category:  category,
         Name:      name,
-        Timestamp: time.Now().UnixMilli(),
+        Timestamp: 0,
         Extra: extra,
     }
 }
diff --git a/glean_parser/templates/javascript_server.jinja2 b/glean_parser/templates/javascript_server.jinja2
index ee7b2adb..f44247ab 100644
--- a/glean_parser/templates/javascript_server.jinja2
+++ b/glean_parser/templates/javascript_server.jinja2
@@ -126,7 +126,7 @@ class {{ ping|event_class_name(metrics_by_type) }} {
     const now = new Date();
     const timestamp = now.toISOString();
     {% if 'event' in metrics_by_type %}
-    event.timestamp = now.getTime();
+    event.timestamp = 0;
     {% endif %}
     const eventPayload = {
       metrics: {
diff --git a/glean_parser/templates/python_server.jinja2 b/glean_parser/templates/python_server.jinja2
index 79a7f072..4169cf52 100644
--- a/glean_parser/templates/python_server.jinja2
+++ b/glean_parser/templates/python_server.jinja2
@@ -50,7 +50,7 @@ class {{ ping|camelize }}ServerEventLogger:
         timestamp = now.isoformat()
         events = [] if events is None else events
         for event in events:
-            event["timestamp"] = int(1000.0 * now.timestamp())  # Milliseconds since epoch
+            event["timestamp"] = 0
         event_payload = {
             "metrics": {
                 {% for metric_type, metrics in metrics_by_type.items() %}
diff --git a/glean_parser/templates/ruby_server.jinja2 b/glean_parser/templates/ruby_server.jinja2
index af85b70b..2ae45619 100644
--- a/glean_parser/templates/ruby_server.jinja2
+++ b/glean_parser/templates/ruby_server.jinja2
@@ -152,7 +152,7 @@ module Glean
         {
           'category' => '{{ event.category }}',
           'name' => '{{ event.name }}',
-          'timestamp' => (Time.now.utc.to_f * 1000).to_i,
+          'timestamp' => 0,
           'extra' => [
             {% for extra, metadata in event.extra_keys.items() %}
             ['{{ extra }}', {{ extra }}.to_s],
diff --git a/glean_parser/templates/rust_server.jinja2 b/glean_parser/templates/rust_server.jinja2
index a4a4acec..3d4019d6 100644
--- a/glean_parser/templates/rust_server.jinja2
+++ b/glean_parser/templates/rust_server.jinja2
@@ -108,7 +108,7 @@ pub fn new_glean_event(
     GleanEvent {
         category: category.to_owned(),
         name: name.to_owned(),
-        timestamp: Utc::now().timestamp_millis(),
+        timestamp: 0,
         extra,
     }
 }
@@ -227,7 +227,7 @@ impl {{ ping|ping_events_type_name }} for {{ event|event_type_name }} {
     /// Create a GleanEvent for the above-defined Event struct ({{ event|event_type_name }}).
     /// Any metadata `extra` values are passed into the extra HashMap.
     fn glean_event(&self) -> GleanEvent {
-        // Any `extra_keys` will be output below to be inserted into `extra`. 
+        // Any `extra_keys` will be output below to be inserted into `extra`.
         // If there are none, an empty, immutable HashMap is created.
         {% if event.extra_keys.items()|length == 0 %}
         let extra: HashMap<String, String> = HashMap::new();
@@ -323,7 +323,7 @@ impl GleanEventsLogger {
         if let Some(event) = &params.event {
             events.push(event.glean_event());
         }
-        
+
         {% else %}
         let events: Vec<GleanEvent> = Vec::new();
         {% endif %}
diff --git a/tests/data/server_custom_ping_only_compare.go b/tests/data/server_custom_ping_only_compare.go
index 0d0a095c..046333bd 100644
--- a/tests/data/server_custom_ping_only_compare.go
+++ b/tests/data/server_custom_ping_only_compare.go
@@ -183,7 +183,7 @@ func newGleanEvent(category, name string, extra map[string]string) gleanEvent {
     return gleanEvent{
         Category:  category,
         Name:      name,
-        Timestamp: time.Now().UnixMilli(),
+        Timestamp: 0,
         Extra: extra,
     }
 }
diff --git a/tests/data/server_custom_ping_only_compare.rs b/tests/data/server_custom_ping_only_compare.rs
index c092e98f..af1d3084 100644
--- a/tests/data/server_custom_ping_only_compare.rs
+++ b/tests/data/server_custom_ping_only_compare.rs
@@ -107,7 +107,7 @@ pub fn new_glean_event(
     GleanEvent {
         category: category.to_owned(),
         name: name.to_owned(),
-        timestamp: Utc::now().timestamp_millis(),
+        timestamp: 0,
         extra,
     }
 }
@@ -217,7 +217,7 @@ impl ServerTelemetryScenarioOnePingEvent for BackendSpecialEventEvent {
     /// Create a GleanEvent for the above-defined Event struct (BackendSpecialEventEvent).
     /// Any metadata `extra` values are passed into the extra HashMap.
     fn glean_event(&self) -> GleanEvent {
-        // Any `extra_keys` will be output below to be inserted into `extra`. 
+        // Any `extra_keys` will be output below to be inserted into `extra`.
         // If there are none, an empty, immutable HashMap is created.
         let mut extra: HashMap<String, String> = HashMap::new();
 
@@ -295,7 +295,7 @@ impl GleanEventsLogger {
         if let Some(event) = &params.event {
             events.push(event.glean_event());
         }
-        
+
         self.record("server-telemetry-scenario-one", request_info, metrics, events);
     }
 }
diff --git a/tests/data/server_events_and_custom_ping_compare.go b/tests/data/server_events_and_custom_ping_compare.go
index c194d379..279b63cc 100644
--- a/tests/data/server_events_and_custom_ping_compare.go
+++ b/tests/data/server_events_and_custom_ping_compare.go
@@ -183,7 +183,7 @@ func newGleanEvent(category, name string, extra map[string]string) gleanEvent {
     return gleanEvent{
         Category:  category,
         Name:      name,
-        Timestamp: time.Now().UnixMilli(),
+        Timestamp: 0,
         Extra: extra,
     }
 }
diff --git a/tests/data/server_events_and_custom_ping_compare.rs b/tests/data/server_events_and_custom_ping_compare.rs
index dfde116d..c1f6a398 100644
--- a/tests/data/server_events_and_custom_ping_compare.rs
+++ b/tests/data/server_events_and_custom_ping_compare.rs
@@ -107,7 +107,7 @@ pub fn new_glean_event(
     GleanEvent {
         category: category.to_owned(),
         name: name.to_owned(),
-        timestamp: Utc::now().timestamp_millis(),
+        timestamp: 0,
         extra,
     }
 }
@@ -217,7 +217,7 @@ impl EventsPingEvent for BackendTestEventEvent {
     /// Create a GleanEvent for the above-defined Event struct (BackendTestEventEvent).
     /// Any metadata `extra` values are passed into the extra HashMap.
     fn glean_event(&self) -> GleanEvent {
-        // Any `extra_keys` will be output below to be inserted into `extra`. 
+        // Any `extra_keys` will be output below to be inserted into `extra`.
         // If there are none, an empty, immutable HashMap is created.
         let mut extra: HashMap<String, String> = HashMap::new();
 
@@ -295,7 +295,7 @@ impl GleanEventsLogger {
         if let Some(event) = &params.event {
             events.push(event.glean_event());
         }
-        
+
         self.record("events", request_info, metrics, events);
     }
 }
diff --git a/tests/data/server_events_compare.rb b/tests/data/server_events_compare.rb
index 314acdde..e0584a77 100644
--- a/tests/data/server_events_compare.rb
+++ b/tests/data/server_events_compare.rb
@@ -115,7 +115,7 @@ def record(
         {{
           'category' => 'backend',
           'name' => 'object_update',
-          'timestamp' => (Time.now.utc.to_f * 1000).to_i,
+          'timestamp' => 0,
           'extra' => [
             ['object_type', object_type.to_s],
             ['object_state', object_state.to_s],
diff --git a/tests/data/server_events_only_compare.go b/tests/data/server_events_only_compare.go
index 5e0ad6d2..ac0c166d 100644
--- a/tests/data/server_events_only_compare.go
+++ b/tests/data/server_events_only_compare.go
@@ -183,7 +183,7 @@ func newGleanEvent(category, name string, extra map[string]string) gleanEvent {
     return gleanEvent{
         Category:  category,
         Name:      name,
-        Timestamp: time.Now().UnixMilli(),
+        Timestamp: 0,
         Extra: extra,
     }
 }
diff --git a/tests/data/server_events_only_compare.rs b/tests/data/server_events_only_compare.rs
index 85b8ec0a..00943896 100644
--- a/tests/data/server_events_only_compare.rs
+++ b/tests/data/server_events_only_compare.rs
@@ -107,7 +107,7 @@ pub fn new_glean_event(
     GleanEvent {
         category: category.to_owned(),
         name: name.to_owned(),
-        timestamp: Utc::now().timestamp_millis(),
+        timestamp: 0,
         extra,
     }
 }
@@ -217,7 +217,7 @@ impl EventsPingEvent for BackendTestEventEvent {
     /// Create a GleanEvent for the above-defined Event struct (BackendTestEventEvent).
     /// Any metadata `extra` values are passed into the extra HashMap.
     fn glean_event(&self) -> GleanEvent {
-        // Any `extra_keys` will be output below to be inserted into `extra`. 
+        // Any `extra_keys` will be output below to be inserted into `extra`.
         // If there are none, an empty, immutable HashMap is created.
         let mut extra: HashMap<String, String> = HashMap::new();
 
@@ -295,7 +295,7 @@ impl GleanEventsLogger {
         if let Some(event) = &params.event {
             events.push(event.glean_event());
         }
-        
+
         self.record("events", request_info, metrics, events);
     }
 }