diff --git a/Cargo.lock b/Cargo.lock
index 02fc7d5..a2750fd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -962,7 +962,9 @@ dependencies = [
  "dotenvy",
  "fluent-templates",
  "futures",
+ "jiff",
  "lazy_static",
+ "nucleo",
  "prost",
  "prost-types",
  "ratatui",
@@ -3735,6 +3737,16 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "jiff-sqlx"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07f07e4e3efb45ce1507e32af3b1e8f31d33d5edbf041ffeda3180042c3abc58"
+dependencies = [
+ "jiff",
+ "sqlx",
+]
+
 [[package]]
 name = "jiff-static"
 version = "0.2.32"
@@ -6233,6 +6245,7 @@ dependencies = [
  "dotenvy",
  "futures",
  "jiff",
+ "jiff-sqlx",
  "jsonwebtoken",
  "lazy_static",
  "once_cell",
diff --git a/client b/client
index 9c8ae0b..7f147d8 160000
--- a/client
+++ b/client
@@ -1 +1 @@
-Subproject commit 9c8ae0b6fa843155195f83d4e7026996e7925edd
+Subproject commit 7f147d8630a837760399d0a44846eca89bfa82f5
diff --git a/common/proto/auth.proto b/common/proto/auth.proto
index 0842709..434da56 100644
--- a/common/proto/auth.proto
+++ b/common/proto/auth.proto
@@ -17,6 +17,7 @@ message RegisterRequest {
   string password = 3;
   string password_confirmation = 4;
   string role = 5;
+  string timezone = 6; // IANA timezone, for example Europe/Bratislava
 }
 
 message AuthResponse {
diff --git a/common/src/proto/descriptor.bin b/common/src/proto/descriptor.bin
index ebcf3c9..7b66c28 100644
Binary files a/common/src/proto/descriptor.bin and b/common/src/proto/descriptor.bin differ
diff --git a/common/src/proto/komp_ac.auth.rs b/common/src/proto/komp_ac.auth.rs
index c0057e1..0a5ba4c 100644
--- a/common/src/proto/komp_ac.auth.rs
+++ b/common/src/proto/komp_ac.auth.rs
@@ -11,6 +11,9 @@ pub struct RegisterRequest {
     pub password_confirmation: ::prost::alloc::string::String,
     #[prost(string, tag = "5")]
     pub role: ::prost::alloc::string::String,
+    /// IANA timezone, for example Europe/Bratislava
+    #[prost(string, tag = "6")]
+    pub timezone: ::prost::alloc::string::String,
 }
 #[derive(Clone, PartialEq, Eq, Hash, ::prost::Message)]
 pub struct AuthResponse {
diff --git a/server b/server
index cbbf1ac..ee16d2f 160000
--- a/server
+++ b/server
@@ -1 +1 @@
-Subproject commit cbbf1ac16b38e2fc00faeaefb7023ba62bfa469c
+Subproject commit ee16d2fb5f2a0b7994674103da470ad6a044e14d