diff --git a/barbican/values.yaml b/barbican/values.yaml
index ab1daf3228..56b54a5561 100644
--- a/barbican/values.yaml
+++ b/barbican/values.yaml
@@ -507,8 +507,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
 
 # Names of secrets used by bootstrap and environmental checks
 secrets:
diff --git a/cinder/values.yaml b/cinder/values.yaml
index 00c4482202..03c3ed54ce 100644
--- a/cinder/values.yaml
+++ b/cinder/values.yaml
@@ -814,8 +814,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
   rabbitmq:
     #NOTE(rk760n): adding rmq policy to mirror messages from notification queues and set expiration time for the ones
     policies:
diff --git a/congress/values.yaml b/congress/values.yaml
index c90d3a1bf9..7d1d94ad25 100644
--- a/congress/values.yaml
+++ b/congress/values.yaml
@@ -426,8 +426,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
   paste:
     composite:congress:
       use: egg:Paste#urlmap
diff --git a/glance/values.yaml b/glance/values.yaml
index 0bfe90a200..0c17b86ee2 100644
--- a/glance/values.yaml
+++ b/glance/values.yaml
@@ -346,8 +346,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
   paste_registry:
     pipeline:glance-registry:
       pipeline: healthcheck osprofiler unauthenticated-context registryapp
diff --git a/heat/values.yaml b/heat/values.yaml
index 380c77324d..33bf1ab12d 100644
--- a/heat/values.yaml
+++ b/heat/values.yaml
@@ -517,8 +517,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
 
   rabbitmq:
     #NOTE(rk760n): adding rmq policy to mirror messages from notification queues and set expiration time for the ones
diff --git a/ironic/values.yaml b/ironic/values.yaml
index eafebacc29..7d9a8838f7 100644
--- a/ironic/values.yaml
+++ b/ironic/values.yaml
@@ -194,8 +194,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
 
 network:
   pxe:
diff --git a/keystone/values.yaml b/keystone/values.yaml
index 383b861ea6..59eed8850e 100644
--- a/keystone/values.yaml
+++ b/keystone/values.yaml
@@ -967,8 +967,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
 
 # Names of secrets used by bootstrap and environmental checks
 secrets:
diff --git a/magnum/values.yaml b/magnum/values.yaml
index aaf0712a2e..27bdc4c85d 100644
--- a/magnum/values.yaml
+++ b/magnum/values.yaml
@@ -191,8 +191,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
 
 network:
   api:
diff --git a/mistral/values.yaml b/mistral/values.yaml
index afaba51513..0296859b0d 100644
--- a/mistral/values.yaml
+++ b/mistral/values.yaml
@@ -522,8 +522,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
 
 pod:
   user:
diff --git a/neutron/values.yaml b/neutron/values.yaml
index f107f998da..133cb70a85 100644
--- a/neutron/values.yaml
+++ b/neutron/values.yaml
@@ -1538,8 +1538,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
   plugins:
     ml2_conf:
       ml2:
diff --git a/nova/values.yaml b/nova/values.yaml
index 777469a68c..ff47bea4a6 100644
--- a/nova/values.yaml
+++ b/nova/values.yaml
@@ -1568,8 +1568,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
   rabbitmq:
     #NOTE(rk760n): adding rmq policy to mirror messages from notification queues and set expiration time for the ones
     policies:
diff --git a/senlin/values.yaml b/senlin/values.yaml
index faa5378ac9..b77ed952d4 100644
--- a/senlin/values.yaml
+++ b/senlin/values.yaml
@@ -236,8 +236,10 @@ conf:
       formatter: context
     formatter_context:
       class: oslo_log.formatters.ContextFormatter
+      datefmt: "%Y-%m-%d %H:%M:%S"
     formatter_default:
       format: "%(message)s"
+      datefmt: "%Y-%m-%d %H:%M:%S"
 
 network:
   api:
diff --git a/tools/deployment/armada/manifests/armada-osh.yaml b/tools/deployment/armada/manifests/armada-osh.yaml
index 91d21a9d7d..0b1df33545 100644
--- a/tools/deployment/armada/manifests/armada-osh.yaml
+++ b/tools/deployment/armada/manifests/armada-osh.yaml
@@ -338,8 +338,10 @@ data:
           formatter: context
         formatter_context:
           class: oslo_log.formatters.ContextFormatter
+          datefmt: "%Y-%m-%d %H:%M:%S"
         formatter_default:
           format: "%(message)s"
+          datefmt: "%Y-%m-%d %H:%M:%S"
     endpoints:
       fluentd:
         namespace: osh-infra
@@ -540,8 +542,10 @@ data:
           formatter: context
         formatter_context:
           class: oslo_log.formatters.ContextFormatter
+          datefmt: "%Y-%m-%d %H:%M:%S"
         formatter_default:
           format: "%(message)s"
+          datefmt: "%Y-%m-%d %H:%M:%S"
     endpoints:
       fluentd:
         namespace: osh-infra
@@ -732,8 +736,10 @@ data:
           formatter: context
         formatter_context:
           class: oslo_log.formatters.ContextFormatter
+          datefmt: "%Y-%m-%d %H:%M:%S"
         formatter_default:
           format: "%(message)s"
+          datefmt: "%Y-%m-%d %H:%M:%S"
       cinder:
         DEFAULT:
           backup_driver: cinder.backup.drivers.swift
@@ -1018,8 +1024,10 @@ data:
           formatter: context
         formatter_context:
           class: oslo_log.formatters.ContextFormatter
+          datefmt: "%Y-%m-%d %H:%M:%S"
         formatter_default:
           format: "%(message)s"
+          datefmt: "%Y-%m-%d %H:%M:%S"
       nova:
         neutron:
           metadata_proxy_shared_secret: ${METADATA_PROXY_SHARED_SECRET}
@@ -1200,8 +1208,10 @@ data:
           formatter: context
         formatter_context:
           class: oslo_log.formatters.ContextFormatter
+          datefmt: "%Y-%m-%d %H:%M:%S"
         formatter_default:
           format: "%(message)s"
+          datefmt: "%Y-%m-%d %H:%M:%S"
       neutron:
         DEFAULT:
           l3_ha: True
@@ -1317,8 +1327,10 @@ data:
           formatter: context
         formatter_context:
           class: oslo_log.formatters.ContextFormatter
+          datefmt: "%Y-%m-%d %H:%M:%S"
         formatter_default:
           format: "%(message)s"
+          datefmt: "%Y-%m-%d %H:%M:%S"
     endpoints:
       fluentd:
         namespace: osh-infra