diff --git a/cap-primitives/Cargo.toml b/cap-primitives/Cargo.toml
index 17a5b2ad..d3e9c704 100644
--- a/cap-primitives/Cargo.toml
+++ b/cap-primitives/Cargo.toml
@@ -20,7 +20,6 @@ maybe-owned = "0.3.4"
 fs-set-times = "0.20.0"
 io-extras = "0.18.0"
 io-lifetimes = { version = "2.0.0", default-features = false }
-iana-time-zone = "0.1.57"
 
 [dev-dependencies]
 cap-tempfile = { path = "../cap-tempfile" }
diff --git a/cap-primitives/src/time/mod.rs b/cap-primitives/src/time/mod.rs
index de64cd80..773e2f07 100644
--- a/cap-primitives/src/time/mod.rs
+++ b/cap-primitives/src/time/mod.rs
@@ -4,12 +4,10 @@ mod instant;
 mod monotonic_clock;
 mod system_clock;
 mod system_time;
-mod timezone;
 
 pub use instant::Instant;
 pub use monotonic_clock::MonotonicClock;
 pub use system_clock::SystemClock;
 pub use system_time::SystemTime;
-pub use timezone::Timezone;
 
 pub use std::time::{Duration, SystemTimeError};
diff --git a/cap-std/src/time/mod.rs b/cap-std/src/time/mod.rs
index cddc705d..ff5d788d 100644
--- a/cap-std/src/time/mod.rs
+++ b/cap-std/src/time/mod.rs
@@ -3,8 +3,8 @@
 //! This corresponds to [`std::time`].
 //!
 //! Instead of [`std::time`]'s methods which return the current time, this
-//! crate has methods on [`SystemClock`], [`MonotonicClock`] and [`Timezone`].
+//! crate has methods on [`SystemClock`] and [`MonotonicClock`].
 
 pub use cap_primitives::time::{
-    Duration, Instant, MonotonicClock, SystemClock, SystemTime, SystemTimeError, Timezone,
+    Duration, Instant, MonotonicClock, SystemClock, SystemTime, SystemTimeError,
 };
diff --git a/cap-time-ext/Cargo.toml b/cap-time-ext/Cargo.toml
index fe75314a..796b9a3f 100644
--- a/cap-time-ext/Cargo.toml
+++ b/cap-time-ext/Cargo.toml
@@ -13,8 +13,10 @@ repository = "https://github.com/bytecodealliance/cap-std"
 edition = "2021"
 
 [dependencies]
+ambient-authority = "0.0.2"
 cap-primitives = { path = "../cap-primitives", version = "^2.0.0" }
 cap-std = { path = "../cap-std", optional = true, version = "^2.0.0" }
+iana-time-zone = "0.1.57"
 
 [target.'cfg(not(windows))'.dependencies]
 rustix = { version = "0.38.0", features = ["time"] }
diff --git a/cap-time-ext/src/lib.rs b/cap-time-ext/src/lib.rs
index f326142c..99a3de81 100644
--- a/cap-time-ext/src/lib.rs
+++ b/cap-time-ext/src/lib.rs
@@ -11,6 +11,8 @@
 
 mod monotonic_clock;
 mod system_clock;
+mod timezone;
 
 pub use monotonic_clock::MonotonicClockExt;
 pub use system_clock::SystemClockExt;
+pub use timezone::Timezone;
diff --git a/cap-primitives/src/time/timezone.rs b/cap-time-ext/src/timezone.rs
similarity index 95%
rename from cap-primitives/src/time/timezone.rs
rename to cap-time-ext/src/timezone.rs
index 3588f442..4cc440e8 100644
--- a/cap-primitives/src/time/timezone.rs
+++ b/cap-time-ext/src/timezone.rs
@@ -7,7 +7,6 @@ pub struct Timezone(());
 #[derive(Debug)]
 pub struct TimezoneError(String);
 
-//impl LocalResult for TimezoneError {
 impl Timezone {
     /// Constructs a new instance of `Self`.
     ///