diff --git a/quarantine-day-counter b/quarantine-day-counter
index 8d9f561..62f4d0c 100755
--- a/quarantine-day-counter
+++ b/quarantine-day-counter
@@ -19,6 +19,11 @@ quarantine_start_date = "13 Mar 2020"
 
 def parse_args():
     argp = argparse.ArgumentParser()
+    argp.add_argument(
+            '-s', '--start-date',
+            default=quarantine_start_date,
+            help="Different start date than the original (%(default)s)"
+    )
     return argp.parse_args()
 
 def quarantine_days(quarantine_start_date=quarantine_start_date):
@@ -27,13 +32,14 @@ def quarantine_days(quarantine_start_date=quarantine_start_date):
 
 
 if __name__ == "__main__":
-    # args = parse_args()
+    args = parse_args()
+
     try:    
-        start_date_message = f"\nQuarantine Start Date: {color.yellow(quarantine_start_date)}"
-        quarantine_days_message = f"Quarantine Days: {color.red(quarantine_days(quarantine_start_date))}"
+        start_date_message = f"\nQuarantine Start Date: {color.yellow(args.start_date)}"
+        quarantine_days_message = f"Quarantine Days: {color.red(quarantine_days(args.start_date))}"
     except NameError:
-        start_date_message = f"\nQuarantine Start Date: {quarantine_start_date}"
-        quarantine_days_message = f"Quarantine Days: {quarantine_days(quarantine_start_date)}"
+        start_date_message = f"\nQuarantine Start Date: {args.start_date}"
+        quarantine_days_message = f"Quarantine Days: {quarantine_days(args.start_date)}"
 
     print(start_date_message)
     print(quarantine_days_message)