diff --git a/src/python/alog/alog.py b/src/python/alog/alog.py
index 42fc1ed..7fc4d9c 100644
--- a/src/python/alog/alog.py
+++ b/src/python/alog/alog.py
@@ -822,11 +822,11 @@ def __init__(self, log_fn, format_str="", *args) -> None:
 
     def _start_timed_log(self) -> None:
         """Get the start time for this timed logger."""
-        self.start_time = time.time()
+        self.start_time = time.monotonic()
 
     def _end_timed_log(self) -> None:
         """Gets the end time and prints the end message for this timed logger."""
-        duration = timedelta(seconds=time.time() - self.start_time)
+        duration = timedelta(seconds=time.monotonic() - self.start_time)
         fmt = self.format_str + "%s"
         args = list(self.args) + [str(duration)]
         self.log_fn(fmt, *args, extra={"duration": duration.total_seconds()})