diff --git a/Cargo.toml b/Cargo.toml
index 2830bd4302..c08ea21f13 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -29,6 +29,7 @@ __internal_bench = []
 
 [dependencies]
 serde = { version = "1.0.99", default-features = false, optional = true }
+borsh = { version = "1.2", default-features = false, optional = true, features = ["derive"] }
 pure-rust-locales = { version = "0.7", optional = true }
 rkyv = { version = "0.7", optional = true }
 arbitrary = { version = "1.0.0", features = ["derive"], optional = true }
@@ -58,7 +59,7 @@ bincode = { version = "1.3.0" }
 wasm-bindgen-test = "0.3"
 
 [package.metadata.docs.rs]
-features = ["arbitrary, rkyv, serde, unstable-locales"]
+features = ["arbitrary, rkyv, serde, unstable-locales, borsh"]
 rustdoc-args = ["--cfg", "docsrs"]
 
 [package.metadata.playground]
diff --git a/src/datetime/mod.rs b/src/datetime/mod.rs
index 6efd15ef8c..7dd976a6a9 100644
--- a/src/datetime/mod.rs
+++ b/src/datetime/mod.rs
@@ -74,6 +74,7 @@ pub enum SecondsFormat {
 /// [`TimeZone`](./offset/trait.TimeZone.html) implementations.
 #[derive(Clone)]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
+#[cfg_attr(feature = "borsh", derive(borsh::BorshDeserialize, borsh::BorshSerialize))]
 pub struct DateTime<Tz: TimeZone> {
     datetime: NaiveDateTime,
     offset: Tz::Offset,
diff --git a/src/month.rs b/src/month.rs
index acb96a2da1..987678fefa 100644
--- a/src/month.rs
+++ b/src/month.rs
@@ -35,6 +35,11 @@ use crate::OutOfRange;
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
+#[cfg_attr(
+    feature = "borsh",
+    derive(borsh::BorshDeserialize, borsh::BorshSerialize),
+    borsh(use_discriminant = true)
+)]
 pub enum Month {
     /// January
     January = 0,
diff --git a/src/naive/date.rs b/src/naive/date.rs
index faccc06024..72e9781951 100644
--- a/src/naive/date.rs
+++ b/src/naive/date.rs
@@ -195,6 +195,7 @@ impl Days {
     feature = "rkyv",
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]
+#[cfg_attr(feature = "borsh", derive(borsh::BorshDeserialize, borsh::BorshSerialize))]
 pub struct NaiveDate {
     ymdf: DateImpl, // (year << 13) | of
 }
diff --git a/src/naive/datetime/mod.rs b/src/naive/datetime/mod.rs
index 3816be9c42..cb9295db87 100644
--- a/src/naive/datetime/mod.rs
+++ b/src/naive/datetime/mod.rs
@@ -78,6 +78,7 @@ pub const MAX_DATETIME: NaiveDateTime = NaiveDateTime::MAX;
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
+#[cfg_attr(feature = "borsh", derive(borsh::BorshDeserialize, borsh::BorshSerialize))]
 pub struct NaiveDateTime {
     date: NaiveDate,
     time: NaiveTime,
diff --git a/src/naive/isoweek.rs b/src/naive/isoweek.rs
index 606699659b..7532f5bfc9 100644
--- a/src/naive/isoweek.rs
+++ b/src/naive/isoweek.rs
@@ -22,6 +22,7 @@ use rkyv::{Archive, Deserialize, Serialize};
     feature = "rkyv",
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]
+#[cfg_attr(feature = "borsh", derive(borsh::BorshDeserialize, borsh::BorshSerialize))]
 pub struct IsoWeek {
     // note that this allows for larger year range than `NaiveDate`.
     // this is crucial because we have an edge case for the first and last week supported,
diff --git a/src/naive/time/mod.rs b/src/naive/time/mod.rs
index f2a0693ffd..c31d32849a 100644
--- a/src/naive/time/mod.rs
+++ b/src/naive/time/mod.rs
@@ -204,6 +204,7 @@ mod tests;
     feature = "rkyv",
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]
+#[cfg_attr(feature = "borsh", derive(borsh::BorshDeserialize, borsh::BorshSerialize))]
 pub struct NaiveTime {
     secs: u32,
     frac: u32,
diff --git a/src/offset/fixed.rs b/src/offset/fixed.rs
index 1c3dc5e366..67abc81391 100644
--- a/src/offset/fixed.rs
+++ b/src/offset/fixed.rs
@@ -22,6 +22,7 @@ use crate::{NaiveDateTime, ParseError};
 #[derive(PartialEq, Eq, Hash, Copy, Clone)]
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
 #[cfg_attr(feature = "rkyv", archive_attr(derive(Clone, Copy, PartialEq, Eq, Hash, Debug)))]
+#[cfg_attr(feature = "borsh", derive(borsh::BorshDeserialize, borsh::BorshSerialize))]
 pub struct FixedOffset {
     local_minus_utc: i32,
 }
diff --git a/src/offset/local/mod.rs b/src/offset/local/mod.rs
index bc48b322e2..cecc761f55 100644
--- a/src/offset/local/mod.rs
+++ b/src/offset/local/mod.rs
@@ -104,6 +104,7 @@ mod tz_info;
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
 #[cfg_attr(feature = "rkyv", archive_attr(derive(Clone, Copy, Debug)))]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
+#[cfg_attr(feature = "borsh", derive(borsh::BorshDeserialize, borsh::BorshSerialize))]
 pub struct Local;
 
 impl Local {
diff --git a/src/offset/utc.rs b/src/offset/utc.rs
index e81949ec96..0d5f10d588 100644
--- a/src/offset/utc.rs
+++ b/src/offset/utc.rs
@@ -43,6 +43,7 @@ use crate::DateTime;
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
 #[cfg_attr(feature = "rkyv", archive_attr(derive(Clone, Copy, PartialEq, Eq, Debug, Hash)))]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
+#[cfg_attr(feature = "borsh", derive(borsh::BorshDeserialize, borsh::BorshSerialize))]
 pub struct Utc;
 
 #[cfg(feature = "clock")]
diff --git a/src/time_delta.rs b/src/time_delta.rs
index 84d049275a..0ee1f879c2 100644
--- a/src/time_delta.rs
+++ b/src/time_delta.rs
@@ -56,6 +56,7 @@ macro_rules! try_opt {
     feature = "rkyv",
     archive_attr(derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash))
 )]
+#[cfg_attr(feature = "borsh", derive(borsh::BorshDeserialize, borsh::BorshSerialize))]
 pub struct TimeDelta {
     secs: i64,
     nanos: i32, // Always 0 <= nanos < NANOS_PER_SEC
diff --git a/src/weekday.rs b/src/weekday.rs
index a9c51069c4..2e6907bab7 100644
--- a/src/weekday.rs
+++ b/src/weekday.rs
@@ -33,6 +33,11 @@ use crate::OutOfRange;
 #[cfg_attr(feature = "rkyv", derive(Archive, Deserialize, Serialize))]
 #[cfg_attr(feature = "rkyv", archive_attr(derive(Clone, Copy, PartialEq, Eq, Debug, Hash)))]
 #[cfg_attr(feature = "arbitrary", derive(arbitrary::Arbitrary))]
+#[cfg_attr(
+    feature = "borsh",
+    derive(borsh::BorshDeserialize, borsh::BorshSerialize),
+    borsh(use_discriminant = true)
+)]
 pub enum Weekday {
     /// Monday.
     Mon = 0,