diff --git a/benchmarks/BasicPhpBenchmark.php b/benchmarks/BasicPhpBenchmark.php
index d8f5153..84aae33 100644
--- a/benchmarks/BasicPhpBenchmark.php
+++ b/benchmarks/BasicPhpBenchmark.php
@@ -216,11 +216,11 @@ public function benchmarkArrayChangeCastForeach(): void
 
 
 	/**
-	 * @title microtime with miliseconds
+	 * @title hrtime as number
 	 */
-	public function benchmarkMicrotimeMs(): void
+	public function benchmarkHrtimeMs(): void
 	{
-		\microtime(TRUE);
+		\hrtime(TRUE);
 	}
 
 
diff --git a/benchmarks/BenchmarkCase.php b/benchmarks/BenchmarkCase.php
index acdedd3..2f1487c 100644
--- a/benchmarks/BenchmarkCase.php
+++ b/benchmarks/BenchmarkCase.php
@@ -14,9 +14,9 @@ public function run(): void
 		$class = new \ReflectionClass($this);
 		$methods = $class->getMethods(\ReflectionMethod::IS_PUBLIC);
 
-		echo \sprintf('|----------------------------------------------------------------------------------|--------------|-------------|') . \PHP_EOL;
-		echo \sprintf('| %-80s | Time per run |      Repeat |', $this->title()) . \PHP_EOL;
-		echo \sprintf('|----------------------------------------------------------------------------------|--------------|-------------|') . \PHP_EOL;
+		echo \sprintf('|----------------------------------------------------------------------------------|-------------------|-------------|') . \PHP_EOL;
+		echo \sprintf('| %-80s | Time (ms) per run |      Repeat |', $this->title()) . \PHP_EOL;
+		echo \sprintf('|----------------------------------------------------------------------------------|-------------------|-------------|') . \PHP_EOL;
 
 		foreach ($methods as $method) {
 			$benchmarkMethod = $method->name;
@@ -41,7 +41,7 @@ public function run(): void
 			);
 		}
 
-		echo \sprintf('|----------------------------------------------------------------------------------|--------------|-------------|') . \PHP_EOL . \PHP_EOL;
+		echo \sprintf('|----------------------------------------------------------------------------------|-------------------|-------------|') . \PHP_EOL . \PHP_EOL;
 
 		$this->tearDown();
 	}
@@ -55,13 +55,13 @@ public function run(): void
 	 */
 	private function runBenchmark(callable $method, string $title, int $repeat): void
 	{
-		$start = \microtime(TRUE);
+		$start = \hrtime(TRUE);
 
 		for ($i = 0; $i < $repeat; $i++) {
 			$method();
 		}
 
-		echo \sprintf('| %-80s | %012.10f | %11d |', \substr($title, 0, 80), (\microtime(TRUE) - $start) / $repeat, $repeat) . \PHP_EOL;
+		echo \sprintf('| %-80s | %012.15f | %11d |', \substr($title, 0, 80), (\hrtime(TRUE) - $start) / 1000000 / $repeat, $repeat) . \PHP_EOL;
 	}
 
 
diff --git a/phpstan.neon b/phpstan.neon
index cad3559..9ee31a1 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -93,7 +93,7 @@ parameters:
 			count: 1
 
 		-
-			message: '#^Call to function microtime\(\) on a separate line has no effect\.$#'
+			message: '#^Call to function hrtime\(\) on a separate line has no effect\.$#'
 			path: %rootDir%/../../../benchmarks/BasicPhpBenchmark.php
 			count: 1
 
diff --git a/src/Db/Connection.php b/src/Db/Connection.php
index 09e9afe..399f022 100644
--- a/src/Db/Connection.php
+++ b/src/Db/Connection.php
@@ -296,7 +296,7 @@ public function queryArgs(string|Sql\Query $sqlQuery, array $params): Result
 	{
 		$query = $this->normalizeSqlQuery($sqlQuery, $params)->createQuery();
 
-		$startTime = $this->events->hasOnQuery() ? \microtime(TRUE) : NULL;
+		$startTime = $this->events->hasOnQuery() ? \hrtime(TRUE) : NULL;
 
 		$queryParams = $query->getParams();
 		if ($queryParams === []) {
@@ -309,7 +309,7 @@ public function queryArgs(string|Sql\Query $sqlQuery, array $params): Result
 		}
 
 		if ($startTime !== NULL) {
-			$this->events->onQuery($query, \microtime(TRUE) - $startTime);
+			$this->events->onQuery($query, \hrtime(TRUE) - $startTime);
 		}
 
 		return $this->createResult($resource, $query);
@@ -341,7 +341,7 @@ public function createResult(PgSql\Result $resource, Query $query): Result
 	 */
 	public function execute(string $sql): self
 	{
-		$startTime = $this->events->hasOnQuery() ? \microtime(TRUE) : NULL;
+		$startTime = $this->events->hasOnQuery() ? \hrtime(TRUE) : NULL;
 
 		$resource = @\pg_query($this->getConnectedResource(), $sql); // intentionally @
 		if ($resource === FALSE) {
@@ -349,7 +349,7 @@ public function execute(string $sql): self
 		}
 
 		if ($startTime !== NULL) {
-			$this->events->onQuery(new Query($sql, []), \microtime(TRUE) - $startTime);
+			$this->events->onQuery(new Query($sql, []), \hrtime(TRUE) - $startTime);
 		}
 
 		return $this;
@@ -561,9 +561,9 @@ private function getConnectedResource(): PgSql\Connection
 		\assert($this->resource !== NULL);
 
 		if ($this->connected === FALSE) {
-			$start = \microtime(TRUE);
+			$start = \hrtime(TRUE);
 			do {
-				$test = \microtime(TRUE);
+				$test = \hrtime(TRUE);
 				switch (\pg_connect_poll($this->resource)) {
 					case \PGSQL_POLLING_READING:
 						while (!self::isReadable($this->asyncStream));
@@ -583,7 +583,7 @@ private function getConnectedResource(): PgSql\Connection
 
 						return $this->resource;
 				}
-			} while (($test - $start) <= $this->connectAsyncWaitSeconds);
+			} while ((($test - $start) / 1000000000) <= $this->connectAsyncWaitSeconds);
 			throw Exceptions\ConnectionException::asyncConnectTimeout($test, $this->connectAsyncWaitSeconds);
 		}
 
diff --git a/src/Db/Events.php b/src/Db/Events.php
index 7e5788a..fbdc631 100644
--- a/src/Db/Events.php
+++ b/src/Db/Events.php
@@ -12,7 +12,7 @@ class Events
 	/** @var list<callable(Connection): void> function (Connection $connection) {} */
 	private array $onClose = [];
 
-	/** @var list<callable(Connection, Query, float|NULL, string|NULL): void> function (Connection $connection, Query $query, float|NULL $time, string|NULL $prepareStatementName) {} */
+	/** @var list<callable(Connection, Query, int|float|NULL, string|NULL): void> function (Connection $connection, Query $query, int|float|NULL $timeNs, string|NULL $prepareStatementName) {} */
 	private array $onQuery = [];
 
 	/** @var list<callable(Connection, Result): void> function (Connection $connection, Result $result) {} */
@@ -69,10 +69,10 @@ public function onClose(): void
 	}
 
 
-	public function onQuery(Query $query, float|NULL $time = NULL, string|NULL $prepareStatementName = NULL): void
+	public function onQuery(Query $query, float|NULL $timeNs = NULL, string|NULL $prepareStatementName = NULL): void
 	{
 		foreach ($this->onQuery as $event) {
-			$event($this->connection, $query, $time, $prepareStatementName);
+			$event($this->connection, $query, $timeNs, $prepareStatementName);
 		}
 	}
 
diff --git a/src/Db/PreparedStatement.php b/src/Db/PreparedStatement.php
index c4723df..3dc93cf 100644
--- a/src/Db/PreparedStatement.php
+++ b/src/Db/PreparedStatement.php
@@ -18,7 +18,7 @@ public function executeArgs(array $params): Result
 	{
 		$statementName = $this->prepareStatement();
 
-		$startTime = $this->events->hasOnQuery() ? \microtime(TRUE) : NULL;
+		$startTime = $this->events->hasOnQuery() ? \hrtime(TRUE) : NULL;
 
 		$params = self::prepareParams($params);
 
@@ -30,7 +30,7 @@ public function executeArgs(array $params): Result
 		}
 
 		if ($startTime !== NULL) {
-			$this->events->onQuery($query, \microtime(TRUE) - $startTime, $statementName);
+			$this->events->onQuery($query, \hrtime(TRUE) - $startTime, $statementName);
 		}
 
 		return $this->connection->createResult($resource, $query);