From dbd514c4e4b3acc7c9d85ca89efff7d9fc8d2969 Mon Sep 17 00:00:00 2001
From: Paul Haesler <linkjuggler@gmail.com>
Date: Tue, 12 Dec 2023 14:15:53 +1100
Subject: [PATCH] Oops, read the std library docs more closely next time.

---
 datacube_ows/utils.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/datacube_ows/utils.py b/datacube_ows/utils.py
index eb7e39c4..192efb61 100644
--- a/datacube_ows/utils.py
+++ b/datacube_ows/utils.py
@@ -99,8 +99,7 @@ def group_by_solar(pnames: Optional[List[str]] = None) -> "datacube.api.query.Gr
     else:
         sort_key = base_sort_key
     # Wrap solar_day so we consistently get a datetime.
-    solar_day_py = lambda x: datetime.utcfromtimestamp(solar_day(x).astype(int) * 1e-9)
-    # dt = datetime.utcfromtimestamp(d.astype(int) * 1e-9)
+    solar_day_py = lambda x: datetime.datetime.fromtimestamp(solar_day(x).astype(int) * 1e-9, tz=datetime.timezone.utc)
     return GroupBy(
         dimension='time',
         group_by_func=solar_day_py,