From 4cc94ecc418153084ef454ce904ec795512946c2 Mon Sep 17 00:00:00 2001
From: Markus Demleitner <m@tfiu.de>
Date: Tue, 16 Aug 2022 09:30:38 +0200
Subject: [PATCH] No longer formatting microseconds into SSA time literals

---
 pyvo/dal/ssa.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/pyvo/dal/ssa.py b/pyvo/dal/ssa.py
index a1fc53138..9c0c79200 100644
--- a/pyvo/dal/ssa.py
+++ b/pyvo/dal/ssa.py
@@ -503,8 +503,15 @@ def time(self, time):
             except TypeError:
                 raise valerr
 
+        # It seems astropy either has seconds and microseconds (the date_hms
+        # subformat) or no seconds at all (the date_hm subformat).  SSAP
+        # probably doesn't allow microseconds.  Rather than fix this
+        # via a new astropy subformat, let's get by with local string
+        # operations.
+        literals = time.to_value('isot')
         self["TIME"] = "{start}/{end}".format(
-            start=time.isot[0], end=time.isot[1])
+            start=literals[0].split(".")[0],
+            end=literals[1].split(".")[0])
 
     @time.deleter
     def time(self):