diff --git a/Cargo.toml b/Cargo.toml
index 5cf6429..60862c6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ default = ["tokio-rustls"]
 [dependencies]
 async-trait = "0.1.52"
 celes = "2.1"
-chrono = "0.4"
+chrono = { version = "0.4", features = ["serde"] }
 quick-xml = { version = "0.22", features = [ "serialize" ] }
 serde = { version = "1.0", features = ["derive"] }
 tokio = { version = "1.0", features = [ "full" ] }
diff --git a/src/contact/create.rs b/src/contact/create.rs
index b794069..9722b9b 100644
--- a/src/contact/create.rs
+++ b/src/contact/create.rs
@@ -1,9 +1,11 @@
 //! Types for EPP contact create request
 
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
 use super::{ContactAuthInfo, Phone, PostalInfo, XMLNS};
 use crate::common::{NoExtension, StringValue};
 use crate::request::{Command, Transaction};
-use serde::{Deserialize, Serialize};
 
 impl<'a> Transaction<NoExtension> for ContactCreate<'a> {}
 
@@ -84,7 +86,7 @@ pub struct ContactCreateData {
     pub id: StringValue<'static>,
     #[serde(rename = "crDate")]
     /// The contact creation date
-    pub created_at: StringValue<'static>,
+    pub created_at: DateTime<Utc>,
 }
 
 /// Type that represents the &lt;resData&gt; tag for contact create response
@@ -97,6 +99,8 @@ pub struct ContactCreateResponse {
 
 #[cfg(test)]
 mod tests {
+    use chrono::{TimeZone, Utc};
+
     use super::{ContactCreate, Phone, PostalInfo};
     use crate::common::NoExtension;
     use crate::contact::Address;
@@ -146,7 +150,7 @@ mod tests {
         assert_eq!(results.create_data.id, "eppdev-contact-4".into());
         assert_eq!(
             results.create_data.created_at,
-            "2021-07-25T16:05:32.0Z".into()
+            Utc.ymd(2021, 7, 25).and_hms(16, 5, 32)
         );
         assert_eq!(object.tr_ids.client_tr_id.unwrap(), CLTRID.into());
         assert_eq!(object.tr_ids.server_tr_id, SVTRID.into());
diff --git a/src/contact/info.rs b/src/contact/info.rs
index 2b90abc..c63e503 100644
--- a/src/contact/info.rs
+++ b/src/contact/info.rs
@@ -1,9 +1,11 @@
 //! Types for EPP contact info request
 
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
 use super::{ContactAuthInfo, Phone, PostalInfo, XMLNS};
 use crate::common::{NoExtension, ObjectStatus, StringValue};
 use crate::request::{Command, Transaction};
-use serde::{Deserialize, Serialize};
 
 impl<'a> Transaction<NoExtension> for ContactInfo<'a> {}
 
@@ -77,16 +79,16 @@ pub struct ContactInfoData<'a> {
     pub creator_id: StringValue<'a>,
     /// The creation date
     #[serde(rename = "crDate")]
-    pub created_at: StringValue<'a>,
+    pub created_at: DateTime<Utc>,
     /// The epp user who last updated the contact
     #[serde(rename = "upID")]
     pub updater_id: Option<StringValue<'a>>,
     /// The last update date
     #[serde(rename = "upDate")]
-    pub updated_at: Option<StringValue<'a>>,
+    pub updated_at: Option<DateTime<Utc>>,
     /// The contact transfer date
     #[serde(rename = "trDate")]
-    pub transferred_at: Option<StringValue<'a>>,
+    pub transferred_at: Option<DateTime<Utc>>,
     /// The contact auth info
     #[serde(rename = "authInfo")]
     pub auth_info: Option<ContactAuthInfo<'a>>,
@@ -102,6 +104,8 @@ pub struct ContactInfoResponse {
 
 #[cfg(test)]
 mod tests {
+    use chrono::{TimeZone, Utc};
+
     use super::ContactInfo;
     use crate::common::NoExtension;
     use crate::request::Transaction;
@@ -166,14 +170,17 @@ mod tests {
         assert_eq!(result.info_data.email, "contact@eppdev.net".into());
         assert_eq!(result.info_data.client_id, "eppdev".into());
         assert_eq!(result.info_data.creator_id, "SYSTEM".into());
-        assert_eq!(result.info_data.created_at, "2021-07-23T13:09:09.0Z".into());
+        assert_eq!(
+            result.info_data.created_at,
+            Utc.ymd(2021, 7, 23).and_hms(13, 9, 9)
+        );
         assert_eq!(
             *(result.info_data.updater_id.as_ref().unwrap()),
             "SYSTEM".into()
         );
         assert_eq!(
-            *(result.info_data.updated_at.as_ref().unwrap()),
-            "2021-07-23T13:09:09.0Z".into()
+            result.info_data.updated_at,
+            Some(Utc.ymd(2021, 7, 23).and_hms(13, 9, 9))
         );
         assert_eq!((*auth_info).password, "eppdev-387323".into());
         assert_eq!(object.tr_ids.client_tr_id.unwrap(), CLTRID.into());
diff --git a/src/domain/create.rs b/src/domain/create.rs
index 6897a9c..0ad07e3 100644
--- a/src/domain/create.rs
+++ b/src/domain/create.rs
@@ -1,11 +1,12 @@
 //! Types for EPP domain create request
 
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
 use super::{DomainAuthInfo, DomainContact, HostList, Period, XMLNS};
 use crate::common::{NoExtension, StringValue};
 use crate::request::{Command, Transaction};
 
-use serde::{Deserialize, Serialize};
-
 impl<'a> Transaction<NoExtension> for DomainCreate<'a> {}
 
 impl<'a> Command for DomainCreate<'a> {
@@ -87,10 +88,10 @@ pub struct DomainCreateResponseData {
     pub name: StringValue<'static>,
     /// The creation date
     #[serde(rename = "crDate")]
-    pub created_at: StringValue<'static>,
+    pub created_at: DateTime<Utc>,
     /// The expiry date
     #[serde(rename = "exDate")]
-    pub expiring_at: Option<StringValue<'static>>,
+    pub expiring_at: Option<DateTime<Utc>>,
 }
 
 /// Type that represents the &lt;resData&gt; tag for domain create response
@@ -103,13 +104,16 @@ pub struct DomainCreateResponse {
 
 #[cfg(test)]
 mod tests {
+    use std::net::IpAddr;
+
+    use chrono::{TimeZone, Utc};
+
     use super::{DomainContact, DomainCreate, HostList, Period};
     use crate::common::NoExtension;
     use crate::domain::{HostAttr, HostAttrList, HostObjList};
     use crate::request::Transaction;
     use crate::response::ResultCode;
     use crate::tests::{get_xml, CLTRID, SUCCESS_MSG, SVTRID};
-    use std::net::IpAddr;
 
     #[test]
     fn command() {
@@ -244,11 +248,11 @@ mod tests {
         assert_eq!(result.create_data.name, "eppdev-2.com".into());
         assert_eq!(
             result.create_data.created_at,
-            "2021-07-25T18:11:35.0Z".into()
+            Utc.ymd(2021, 7, 25).and_hms(18, 11, 35)
         );
         assert_eq!(
             *result.create_data.expiring_at.as_ref().unwrap(),
-            "2022-07-25T18:11:34.0Z".into()
+            Utc.ymd(2022, 7, 25).and_hms(18, 11, 34)
         );
         assert_eq!(object.tr_ids.client_tr_id.unwrap(), CLTRID.into());
         assert_eq!(object.tr_ids.server_tr_id, SVTRID.into());
diff --git a/src/domain/info.rs b/src/domain/info.rs
index f2ce4d5..25b92f8 100644
--- a/src/domain/info.rs
+++ b/src/domain/info.rs
@@ -1,9 +1,11 @@
 //! Types for EPP domain info request
 
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
 use super::{DomainAuthInfo, DomainContact, HostAttr, XMLNS};
 use crate::common::{NoExtension, ObjectStatus, StringValue};
 use crate::request::{Command, Transaction};
-use serde::{Deserialize, Serialize};
 
 impl<'a> Transaction<NoExtension> for DomainInfo<'a> {}
 
@@ -102,19 +104,19 @@ pub struct DomainInfoResponseData {
     pub creator_id: Option<StringValue<'static>>,
     /// The domain creation date
     #[serde(rename = "crDate")]
-    pub created_at: Option<StringValue<'static>>,
+    pub created_at: Option<DateTime<Utc>>,
     /// The domain expiry date
     #[serde(rename = "exDate")]
-    pub expiring_at: Option<StringValue<'static>>,
+    pub expiring_at: Option<DateTime<Utc>>,
     /// The epp user who last updated the domain
     #[serde(rename = "upID")]
     pub updater_id: Option<StringValue<'static>>,
     /// The domain last updated date
     #[serde(rename = "upDate")]
-    pub updated_at: Option<StringValue<'static>>,
+    pub updated_at: Option<DateTime<Utc>>,
     /// The domain transfer date
     #[serde(rename = "trDate")]
-    pub transferred_at: Option<StringValue<'static>>,
+    pub transferred_at: Option<DateTime<Utc>>,
     /// The domain auth info
     #[serde(rename = "authInfo")]
     pub auth_info: Option<DomainAuthInfo<'static>>,
@@ -135,6 +137,7 @@ mod tests {
     use crate::request::Transaction;
     use crate::response::ResultCode;
     use crate::tests::{get_xml, CLTRID, SUCCESS_MSG, SVTRID};
+    use chrono::{TimeZone, Utc};
 
     #[test]
     fn command() {
@@ -188,7 +191,7 @@ mod tests {
         );
         assert_eq!(
             *result.info_data.created_at.as_ref().unwrap(),
-            "2021-07-23T15:31:20.0Z".into()
+            Utc.ymd(2021, 7, 23).and_hms(15, 31, 20)
         );
         assert_eq!(
             *result.info_data.updater_id.as_ref().unwrap(),
@@ -196,11 +199,11 @@ mod tests {
         );
         assert_eq!(
             *result.info_data.updated_at.as_ref().unwrap(),
-            "2021-07-23T15:31:21.0Z".into()
+            Utc.ymd(2021, 7, 23).and_hms(15, 31, 21)
         );
         assert_eq!(
             *result.info_data.expiring_at.as_ref().unwrap(),
-            "2023-07-23T15:31:20.0Z".into()
+            Utc.ymd(2023, 7, 23).and_hms(15, 31, 20)
         );
         assert_eq!((*auth_info).password, "epP4uthd#v".into());
         assert_eq!(object.tr_ids.client_tr_id.unwrap(), CLTRID.into());
diff --git a/src/domain/renew.rs b/src/domain/renew.rs
index 0c6c280..107ec63 100644
--- a/src/domain/renew.rs
+++ b/src/domain/renew.rs
@@ -1,10 +1,11 @@
 //! Types for EPP domain renew request
 
+use chrono::{DateTime, NaiveDate, Utc};
+use serde::{Deserialize, Serialize};
+
 use super::{Period, XMLNS};
 use crate::common::{NoExtension, StringValue};
 use crate::request::{Command, Transaction};
-use chrono::NaiveDate;
-use serde::{Deserialize, Serialize};
 
 impl<'a> Transaction<NoExtension> for DomainRenew<'a> {}
 
@@ -63,7 +64,7 @@ pub struct DomainRenewResponseData {
     pub name: StringValue<'static>,
     /// The new expiry date after renewal
     #[serde(rename = "exDate")]
-    pub expiring_at: Option<StringValue<'static>>,
+    pub expiring_at: Option<DateTime<Utc>>,
 }
 
 /// Type that represents the &lt;resData&gt; tag for domain renew response
@@ -81,7 +82,8 @@ mod tests {
     use crate::request::Transaction;
     use crate::response::ResultCode;
     use crate::tests::{get_xml, CLTRID, SUCCESS_MSG, SVTRID};
-    use chrono::NaiveDate;
+
+    use chrono::{NaiveDate, TimeZone, Utc};
 
     #[test]
     fn command() {
@@ -110,7 +112,7 @@ mod tests {
         assert_eq!(result.renew_data.name, "eppdev-1.com".into());
         assert_eq!(
             *result.renew_data.expiring_at.as_ref().unwrap(),
-            "2024-07-23T15:31:20.0Z".into()
+            Utc.ymd(2024, 7, 23).and_hms(15, 31, 20)
         );
         assert_eq!(object.tr_ids.client_tr_id.unwrap(), CLTRID.into());
         assert_eq!(object.tr_ids.server_tr_id, SVTRID.into());
diff --git a/src/domain/transfer.rs b/src/domain/transfer.rs
index fea9e30..a6c28eb 100644
--- a/src/domain/transfer.rs
+++ b/src/domain/transfer.rs
@@ -1,9 +1,11 @@
 //! Types for EPP domain transfer request
 
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
 use super::{DomainAuthInfo, Period, XMLNS};
 use crate::common::{NoExtension, StringValue};
 use crate::request::{Command, Transaction};
-use serde::{Deserialize, Serialize};
 
 impl<'a> Transaction<NoExtension> for DomainTransfer<'a> {}
 
@@ -109,16 +111,16 @@ pub struct DomainTransferResponseData {
     pub requester_id: StringValue<'static>,
     /// The transfer rquest date
     #[serde(rename = "reDate")]
-    pub requested_at: StringValue<'static>,
+    pub requested_at: DateTime<Utc>,
     /// The epp user who should acknowledge the transfer request
     #[serde(rename = "acID")]
     pub ack_id: StringValue<'static>,
     /// THe date by which the acknowledgment should be made
     #[serde(rename = "acDate")]
-    pub ack_by: StringValue<'static>,
+    pub ack_by: DateTime<Utc>,
     /// The domain expiry date
     #[serde(rename = "exDate")]
-    pub expiring_at: Option<StringValue<'static>>,
+    pub expiring_at: Option<DateTime<Utc>>,
 }
 
 /// Type that represents the &lt;resData&gt; tag for domain transfer response
@@ -131,6 +133,8 @@ pub struct DomainTransferResponse {
 
 #[cfg(test)]
 mod tests {
+    use chrono::{TimeZone, Utc};
+
     use super::{DomainTransfer, Period};
     use crate::common::NoExtension;
     use crate::request::Transaction;
@@ -225,13 +229,16 @@ mod tests {
         assert_eq!(result.transfer_data.requester_id, "eppdev".into());
         assert_eq!(
             result.transfer_data.requested_at,
-            "2021-07-23T15:31:21.0Z".into()
+            Utc.ymd(2021, 7, 23).and_hms(15, 31, 21),
         );
         assert_eq!(result.transfer_data.ack_id, "ClientY".into());
-        assert_eq!(result.transfer_data.ack_by, "2021-07-28T15:31:21.0Z".into());
         assert_eq!(
-            *result.transfer_data.expiring_at.as_ref().unwrap(),
-            "2022-07-02T14:53:19.0Z".into()
+            result.transfer_data.ack_by,
+            Utc.ymd(2021, 7, 28).and_hms(15, 31, 21)
+        );
+        assert_eq!(
+            result.transfer_data.expiring_at,
+            Some(Utc.ymd(2022, 7, 2).and_hms(14, 53, 19)),
         );
         assert_eq!(*object.tr_ids.client_tr_id.as_ref().unwrap(), CLTRID.into());
         assert_eq!(object.tr_ids.server_tr_id, SVTRID.into());
@@ -292,13 +299,16 @@ mod tests {
         assert_eq!(result.transfer_data.requester_id, "eppdev".into());
         assert_eq!(
             result.transfer_data.requested_at,
-            "2021-07-23T15:31:21.0Z".into()
+            Utc.ymd(2021, 7, 23).and_hms(15, 31, 21)
         );
         assert_eq!(result.transfer_data.ack_id, "ClientY".into());
-        assert_eq!(result.transfer_data.ack_by, "2021-07-28T15:31:21.0Z".into());
         assert_eq!(
-            *result.transfer_data.expiring_at.as_ref().unwrap(),
-            "2022-07-02T14:53:19.0Z".into()
+            result.transfer_data.ack_by,
+            Utc.ymd(2021, 7, 28).and_hms(15, 31, 21)
+        );
+        assert_eq!(
+            result.transfer_data.expiring_at,
+            Some(Utc.ymd(2022, 7, 2).and_hms(14, 53, 19))
         );
         assert_eq!(object.tr_ids.client_tr_id.unwrap(), CLTRID.into());
         assert_eq!(object.tr_ids.server_tr_id, SVTRID.into());
diff --git a/src/hello.rs b/src/hello.rs
index 08feda7..697a60d 100644
--- a/src/hello.rs
+++ b/src/hello.rs
@@ -1,5 +1,6 @@
 use std::fmt::Debug;
 
+use chrono::{DateTime, Utc};
 use serde::{Deserialize, Deserializer, Serialize};
 
 use crate::common::{Options, ServiceExtension, Services, StringValue, EPP_XMLNS};
@@ -286,7 +287,7 @@ pub struct Greeting {
     pub service_id: String,
     /// The date from the EPP server
     #[serde(rename = "svDate")]
-    pub service_date: String,
+    pub service_date: DateTime<Utc>,
     /// Data under the <svcMenu> element
     #[serde(rename = "svcMenu")]
     pub svc_menu: ServiceMenu,
@@ -305,6 +306,8 @@ impl EppXml for GreetingDocument {}
 
 #[cfg(test)]
 mod tests {
+    use chrono::{TimeZone, Utc};
+
     use super::{ExpiryType, GreetingDocument, HelloDocument, Relative};
     use crate::tests::get_xml;
     use crate::xml::EppXml;
@@ -323,7 +326,10 @@ mod tests {
         let object = GreetingDocument::deserialize(xml.as_str()).unwrap();
 
         assert_eq!(object.data.service_id, "ISPAPI EPP Server");
-        assert_eq!(object.data.service_date, "2021-07-25T14:51:17.0Z");
+        assert_eq!(
+            object.data.service_date,
+            Utc.ymd(2021, 7, 25).and_hms(14, 51, 17)
+        );
         assert_eq!(object.data.svc_menu.options.version, "1.0".into());
         assert_eq!(object.data.svc_menu.options.lang, "en".into());
         assert_eq!(object.data.svc_menu.services.obj_uris.len(), 4);
diff --git a/src/host/create.rs b/src/host/create.rs
index 4891709..7018d8a 100644
--- a/src/host/create.rs
+++ b/src/host/create.rs
@@ -2,10 +2,12 @@
 
 use std::net::IpAddr;
 
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
 use super::XMLNS;
 use crate::common::{serialize_host_addrs_option, NoExtension, StringValue};
 use crate::request::{Command, Transaction};
-use serde::{Deserialize, Serialize};
 
 impl<'a> Transaction<NoExtension> for HostCreate<'a> {}
 
@@ -59,7 +61,7 @@ pub struct HostCreateData {
     pub name: StringValue<'static>,
     /// The host creation date
     #[serde(rename = "crDate")]
-    pub created_at: StringValue<'static>,
+    pub created_at: DateTime<Utc>,
 }
 
 /// Type that represents the &lt;resData&gt; tag for host check response
@@ -72,6 +74,8 @@ pub struct HostCreateResponse {
 
 #[cfg(test)]
 mod tests {
+    use chrono::{TimeZone, Utc};
+
     use super::{HostCreate, IpAddr};
     use crate::common::NoExtension;
     use crate::request::Transaction;
@@ -109,7 +113,7 @@ mod tests {
         assert_eq!(result.create_data.name, "host2.eppdev-1.com".into());
         assert_eq!(
             result.create_data.created_at,
-            "2021-07-26T05:28:55.0Z".into()
+            Utc.ymd(2021, 7, 26).and_hms(5, 28, 55)
         );
         assert_eq!(object.tr_ids.client_tr_id.unwrap(), CLTRID.into());
         assert_eq!(object.tr_ids.server_tr_id, SVTRID.into());
diff --git a/src/host/info.rs b/src/host/info.rs
index 614029f..ba5bdc2 100644
--- a/src/host/info.rs
+++ b/src/host/info.rs
@@ -3,10 +3,12 @@
 use std::net::IpAddr;
 use std::str::FromStr;
 
+use chrono::{DateTime, Utc};
+use serde::{Deserialize, Serialize};
+
 use super::XMLNS;
 use crate::common::{HostAddr, NoExtension, ObjectStatus, StringValue};
 use crate::request::{Command, Transaction};
-use serde::{Deserialize, Serialize};
 
 impl<'a> Transaction<NoExtension> for HostInfo<'a> {}
 
@@ -70,16 +72,16 @@ pub struct HostInfoResponseData {
     pub creator_id: StringValue<'static>,
     /// The host creation date
     #[serde(rename = "crDate")]
-    pub created_at: StringValue<'static>,
+    pub created_at: DateTime<Utc>,
     /// The epp user that last updated the host
     #[serde(rename = "upID")]
     pub updater_id: Option<StringValue<'static>>,
     /// The host last update date
     #[serde(rename = "upDate")]
-    pub updated_at: Option<StringValue<'static>>,
+    pub updated_at: Option<DateTime<Utc>>,
     /// The host transfer date
     #[serde(rename = "trDate")]
-    pub transferred_at: Option<StringValue<'static>>,
+    pub transferred_at: Option<DateTime<Utc>>,
 }
 
 fn deserialize_host_addrs<'de, D>(de: D) -> Result<Vec<IpAddr>, D::Error>
@@ -104,6 +106,8 @@ pub struct HostInfoResponse {
 
 #[cfg(test)]
 mod tests {
+    use chrono::{TimeZone, Utc};
+
     use super::{HostInfo, IpAddr};
     use crate::common::NoExtension;
     use crate::request::Transaction;
@@ -146,14 +150,17 @@ mod tests {
         );
         assert_eq!(result.info_data.client_id, "eppdev".into());
         assert_eq!(result.info_data.creator_id, "creator".into());
-        assert_eq!(result.info_data.created_at, "2021-07-26T05:28:55.0Z".into());
+        assert_eq!(
+            result.info_data.created_at,
+            Utc.ymd(2021, 7, 26).and_hms(5, 28, 55)
+        );
         assert_eq!(
             *(result.info_data.updater_id.as_ref().unwrap()),
             "creator".into()
         );
         assert_eq!(
-            *(result.info_data.updated_at.as_ref().unwrap()),
-            "2021-07-26T05:28:55.0Z".into()
+            result.info_data.updated_at,
+            Some(Utc.ymd(2021, 7, 26).and_hms(5, 28, 55))
         );
         assert_eq!(object.tr_ids.client_tr_id.unwrap(), CLTRID.into());
         assert_eq!(object.tr_ids.server_tr_id, SVTRID.into());
diff --git a/src/message/poll.rs b/src/message/poll.rs
index e07dcf4..327ee12 100644
--- a/src/message/poll.rs
+++ b/src/message/poll.rs
@@ -55,6 +55,8 @@ mod tests {
     use crate::request::Transaction;
     use crate::response::ResultCode;
     use crate::tests::{get_xml, CLTRID, SVTRID};
+
+    use chrono::{TimeZone, Utc};
     use std::net::IpAddr;
 
     #[test]
@@ -86,10 +88,7 @@ mod tests {
         );
         assert_eq!(msg.count, 5);
         assert_eq!(msg.id, "12345".to_string());
-        assert_eq!(
-            *(msg.date.as_ref().unwrap()),
-            "2021-07-23T19:12:43.0Z".into()
-        );
+        assert_eq!(msg.date, Some(Utc.ymd(2021, 7, 23).and_hms(19, 12, 43)));
         assert_eq!(
             *(msg.message.as_ref().unwrap()),
             "Transfer requested.".into()
@@ -99,12 +98,12 @@ mod tests {
             assert_eq!(tr.name, "eppdev-transfer.com".into());
             assert_eq!(tr.transfer_status, "pending".into());
             assert_eq!(tr.requester_id, "eppdev".into());
-            assert_eq!(tr.requested_at, "2021-07-23T15:31:21.0Z".into());
+            assert_eq!(tr.requested_at, Utc.ymd(2021, 7, 23).and_hms(15, 31, 21));
             assert_eq!(tr.ack_id, "ClientY".into());
-            assert_eq!(tr.ack_by, "2021-07-28T15:31:21.0Z".into());
+            assert_eq!(tr.ack_by, Utc.ymd(2021, 7, 28).and_hms(15, 31, 21));
             assert_eq!(
-                *tr.expiring_at.as_ref().unwrap(),
-                "2022-07-02T14:53:19.0Z".into()
+                tr.expiring_at,
+                Some(Utc.ymd(2022, 7, 2).and_hms(14, 53, 19))
             );
         } else {
             panic!("Wrong type");
@@ -132,7 +131,7 @@ mod tests {
         );
         assert_eq!(msg.count, 4);
         assert_eq!(msg.id, "12345".to_string());
-        assert_eq!(*(msg.date.as_ref().unwrap()), "2022-01-02T11:30:45Z".into());
+        assert_eq!(msg.date, Some(Utc.ymd(2022, 1, 2).and_hms(11, 30, 45)));
         assert_eq!(
             *(msg.message.as_ref().unwrap()),
             "Unused objects policy".into()
@@ -149,9 +148,12 @@ mod tests {
                 .any(|a| a == &IpAddr::from([1, 1, 1, 1])));
             assert_eq!(host.client_id, "1234".into());
             assert_eq!(host.creator_id, "user".into());
-            assert_eq!(host.created_at, "2021-12-01T22:40:48Z".into());
+            assert_eq!(host.created_at, Utc.ymd(2021, 12, 1).and_hms(22, 40, 48));
             assert_eq!(host.updater_id, Some("user".into()));
-            assert_eq!(host.updated_at, Some("2021-12-01T22:40:48Z".into()));
+            assert_eq!(
+                host.updated_at,
+                Some(Utc.ymd(2021, 12, 1).and_hms(22, 40, 48))
+            );
         } else {
             panic!("Wrong type");
         }
@@ -178,10 +180,7 @@ mod tests {
 
         assert_eq!(msg.count, 4);
         assert_eq!(msg.id, "12346".to_string());
-        assert_eq!(
-            *(msg.date.as_ref().unwrap()),
-            "2000-06-08T22:10:00.0Z".into()
-        );
+        assert_eq!(msg.date, Some(Utc.ymd(2000, 6, 8).and_hms(22, 10, 0)));
         assert_eq!(
             *(msg.message.as_ref().unwrap()),
             "Credit balance low.".into()
diff --git a/src/response.rs b/src/response.rs
index 4ddb01d..81219bc 100644
--- a/src/response.rs
+++ b/src/response.rs
@@ -1,8 +1,10 @@
 //! Types for EPP responses
 
-use serde::{de::DeserializeOwned, Deserialize};
 use std::fmt::{self, Debug};
 
+use chrono::{DateTime, Utc};
+use serde::{de::DeserializeOwned, Deserialize};
+
 use crate::common::StringValue;
 use crate::xml::EppXml;
 
@@ -184,7 +186,7 @@ pub struct MessageQueue {
     pub id: String,
     /// The message date
     #[serde(rename = "qDate")]
-    pub date: Option<StringValue<'static>>,
+    pub date: Option<DateTime<Utc>>,
     /// The message text
     #[serde(rename = "msg")]
     pub message: Option<StringValue<'static>>,