diff --git a/core/src/services/azblob/core.rs b/core/src/services/azblob/core.rs
index 1202ae8ba4bf..5f1c59132fb9 100644
--- a/core/src/services/azblob/core.rs
+++ b/core/src/services/azblob/core.rs
@@ -29,6 +29,8 @@ use http::header::HeaderName;
 use http::header::CONTENT_LENGTH;
 use http::header::CONTENT_TYPE;
 use http::header::IF_MATCH;
+use http::header::IF_MODIFIED_SINCE;
+use http::header::IF_UNMODIFIED_SINCE;
 use http::header::IF_NONE_MATCH;
 use http::HeaderValue;
 use http::Request;
@@ -208,6 +210,20 @@ impl AzblobCore {
             req = req.header(IF_MATCH, if_match);
         }
 
+        if let Some(if_modified_since) = args.if_modified_since() {
+            req = req.header(
+                IF_MODIFIED_SINCE,
+                format_datetime_into_http_date(if_modified_since),
+            );
+        }
+        
+        if let Some(if_unmodified_since) = args.if_unmodified_since() {
+            req = req.header(
+                IF_UNMODIFIED_SINCE,
+                format_datetime_into_http_date(if_unmodified_since),
+            );
+        }
+
         let req = req.body(Buffer::new()).map_err(new_request_build_error)?;
 
         Ok(req)
diff --git a/core/src/services/gcs/core.rs b/core/src/services/gcs/core.rs
index fe6a242f204c..e1c573d5e0a5 100644
--- a/core/src/services/gcs/core.rs
+++ b/core/src/services/gcs/core.rs
@@ -28,7 +28,9 @@ use http::header::CONTENT_LENGTH;
 use http::header::CONTENT_TYPE;
 use http::header::HOST;
 use http::header::IF_MATCH;
+use http::header::IF_MODIFIED_SINCE;
 use http::header::IF_NONE_MATCH;
+use http::header::IF_UNMODIFIED_SINCE;
 use http::Request;
 use http::Response;
 use once_cell::sync::Lazy;
@@ -201,6 +203,20 @@ impl GcsCore {
             req = req.header(http::header::RANGE, range.to_header());
         }
 
+        if let Some(if_modified_since) = args.if_modified_since() {
+            req = req.header(
+                IF_MODIFIED_SINCE,
+                format_datetime_into_http_date(if_modified_since),
+            );
+        }
+        
+        if let Some(if_unmodified_since) = args.if_unmodified_since() {
+            req = req.header(
+                IF_UNMODIFIED_SINCE,
+                format_datetime_into_http_date(if_unmodified_since),
+            );
+        }
+
         let req = req.body(Buffer::new()).map_err(new_request_build_error)?;
 
         Ok(req)
@@ -221,6 +237,20 @@ impl GcsCore {
             req = req.header(IF_NONE_MATCH, if_none_match);
         }
 
+        if let Some(if_modified_since) = args.if_modified_since() {
+            req = req.header(
+                IF_MODIFIED_SINCE,
+                format_datetime_into_http_date(if_modified_since),
+            );
+        }
+        
+        if let Some(if_unmodified_since) = args.if_unmodified_since() {
+            req = req.header(
+                IF_UNMODIFIED_SINCE,
+                format_datetime_into_http_date(if_unmodified_since),
+            );
+        }
+
         let req = req.body(Buffer::new()).map_err(new_request_build_error)?;
 
         Ok(req)
diff --git a/core/src/services/oss/core.rs b/core/src/services/oss/core.rs
index fef9a860496c..a85d2df699c2 100644
--- a/core/src/services/oss/core.rs
+++ b/core/src/services/oss/core.rs
@@ -27,7 +27,9 @@ use http::header::CONTENT_DISPOSITION;
 use http::header::CONTENT_LENGTH;
 use http::header::CONTENT_TYPE;
 use http::header::IF_MATCH;
+use http::header::IF_MODIFIED_SINCE;
 use http::header::IF_NONE_MATCH;
+use http::header::IF_UNMODIFIED_SINCE;
 use http::header::RANGE;
 use http::HeaderMap;
 use http::HeaderName;
@@ -343,6 +345,20 @@ impl OssCore {
             req = req.header(IF_NONE_MATCH, if_none_match);
         }
 
+        if let Some(if_modified_since) = args.if_modified_since() {
+            req = req.header(
+                IF_MODIFIED_SINCE,
+                format_datetime_into_http_date(if_modified_since),
+            );
+        }
+        
+        if let Some(if_unmodified_since) = args.if_unmodified_since() {
+            req = req.header(
+                IF_UNMODIFIED_SINCE,
+                format_datetime_into_http_date(if_unmodified_since),
+            );
+        }
+
         let req = req.body(Buffer::new()).map_err(new_request_build_error)?;
 
         Ok(req)