diff --git a/docs/services/db.md b/docs/services/db.md
index aafb7e63..5c7e31c0 100644
--- a/docs/services/db.md
+++ b/docs/services/db.md
@@ -36,10 +36,10 @@ node.getBlock(blockHash, function(err, block) {
 Get Block Hashes by Timestamp Range
 
 ```js
-var time1 = 1441911000; // Notice time is in seconds not milliseconds
-var time2 = 1441914000;
+var newest = 1441914000; // Notice time is in seconds not milliseconds
+var oldest = 1441911000;
 
-node.getBlockHashesByTimestamp(time1, time2, function(err, hashes) {
+node.getBlockHashesByTimestamp(newest, oldest, function(err, hashes) {
   //...
 });
 ```
diff --git a/lib/services/db.js b/lib/services/db.js
index 7e90b870..6e4f8b93 100644
--- a/lib/services/db.js
+++ b/lib/services/db.js
@@ -201,17 +201,18 @@ DB.prototype.getBlock = function(hash, callback) {
 
 /**
  * get block hashes between two timestamps
- * @param {Number} start - first timestamp, in seconds, inclusive
- * @param {Number} end - second timestamp, in seconds, inclusive
+ * @param {Number} high - high timestamp, in seconds, inclusive
+ * @param {Number} low - low timestamp, in seconds, inclusive
  * @param {Function} callback
  */
-DB.prototype.getBlockHashesByTimestamp = function(start, end, callback) {
+DB.prototype.getBlockHashesByTimestamp = function(high, low, callback) {
   var self = this;
   var hashes = [];
 
   var stream = this.store.createReadStream({
-    gte: this._encodeBlockIndexKey(start),
-    lte: this._encodeBlockIndexKey(end),
+    gte: this._encodeBlockIndexKey(low),
+    lte: this._encodeBlockIndexKey(high),
+    reverse: true,
     valueEncoding: 'binary',
     keyEncoding: 'binary'
   });
diff --git a/test/services/db.unit.js b/test/services/db.unit.js
index aa122fb9..82148b5d 100644
--- a/test/services/db.unit.js
+++ b/test/services/db.unit.js
@@ -387,22 +387,22 @@ describe('DB Service', function() {
         timestamp: 1441913112
       };
 
-      db.getBlockHashesByTimestamp(1441911000, 1441914000, function(err, hashes) {
+      db.getBlockHashesByTimestamp(1441914000, 1441911000, function(err, hashes) {
         should.not.exist(err);
-        hashes.should.deep.equal([block1.hash, block2.hash]);
+        hashes.should.deep.equal([block2.hash, block1.hash]);
         done();
       });
 
-      readStream.emit('data', {
-        key: db._encodeBlockIndexKey(block1.timestamp),
-        value: db._encodeBlockIndexValue(block1.hash)
-      });
-
       readStream.emit('data', {
         key: db._encodeBlockIndexKey(block2.timestamp),
         value: db._encodeBlockIndexValue(block2.hash)
       });
 
+      readStream.emit('data', {
+        key: db._encodeBlockIndexKey(block1.timestamp),
+        value: db._encodeBlockIndexValue(block1.hash)
+      });
+
       readStream.emit('close');
     });