diff --git a/analyze.py b/analyze.py
index 441ce99..fe6da3a 100644
--- a/analyze.py
+++ b/analyze.py
@@ -114,13 +114,14 @@ def analyze_server(server: Path) -> None:
         # convert from its default timezone in GMT to the timezone of the requester
         localtime = time_of_hit.replace(tzinfo=timezone.utc).astimezone(timezone)
         # convert this time back to a string for logging purposes, without timezone
-        localtime_str = ' '.join(localtime.strftime(log_date_format).split(' ')[:2])
+        localdate, localtime = localtime.strftime(log_date_format).split(' ')[:2]
+        localdate = '20' + localdate
 
         distance = latlon_distance(self_latlon, latlon)
         date, time = timethings.split(' ')[:2]
         result += (
-            f'{server.name},{ip},{distance:.5f},{date},{time},'
-            + f'{localtime_str},{method},"{file}"\n'
+            f'{server.name},{ip},{distance:.5f},20{date},{time},'
+            + f'{localdate},{localtime},{method},"{file}"\n'
         )
 
     return result
@@ -153,6 +154,7 @@ def main(args: list) -> int:
         logdir = p.resolve()
 
     with open(outfile, 'w') as f:
+        f.write('server,ip,distance,sv date,sv time,local date,local time,verb,filename\n')
         chdir(logdir)
         serverdir = Path('.')
         for subdir in serverdir.iterdir():