diff --git a/ixiostat.py b/ixiostat.py
index 8e156d2..99fbff8 100644
--- a/ixiostat.py
+++ b/ixiostat.py
@@ -5,24 +5,8 @@ import os
 from datetime import datetime
 
 
-def convert_to_machine_readable(date_string):
-    # Define the format string considering the time zone information (EDT)
-    format_string = "%a %b %d %H:%M:%S %p %Z %Y"
-    try:
-        # Parse the date string using the format string
-        datetime_obj = datetime.strptime(date_string, format_string)
-        return datetime_obj
-    except ValueError:
-        print(f"given: {date_string}")
-        print(
-            f"Error: Invalid date format. Please provide a string in the format '{format_string}'."
-        )
-
-        return None
-
-
 # Define your shell command
-command = ["zpool", "iostat", "-Td", "-l", "-p", "-v", "-y", "1", "1"]
+command = ["zpool", "iostat", "-Tu", "-l", "-p", "-v", "-y", "1", "1"]
 
 headerRow = [
     "time",
@@ -63,9 +47,6 @@ def runZpoolIostat():
                 # get timestamp
                 timestamp = pool.splitlines()[0].strip()
 
-                if timestamp:
-                    timestamp = str(convert_to_machine_readable(timestamp))
-
             else:
                 # remove ------ lines
                 pool = re.sub("^---.*", "", pool).strip()