diff --git a/src/integer.rs b/src/integer.rs
index 8bdc9de..ed7acf4 100644
--- a/src/integer.rs
+++ b/src/integer.rs
@@ -42,7 +42,7 @@ impl Time{
 impl From<Planar64> for Time{
 	#[inline]
 	fn from(value:Planar64)->Self{
-		Time((((value.0 as i128)*1_000_000_000)>>32) as i64)
+		Time(value.wide_mul(Planar64::raw(1_000_000_000)) as i64)
 	}
 }
 impl std::fmt::Display for Time{